212737500

素因数分解:

$2^2\times 3^2\times 5^5\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:127

約数の個数: 216

約数和(自身を含む): 705204864

約数和(自身を除く): 492467364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 31, 36, 45, 50, 60, 61, 62, 75, 90, 93, 100, 122, 124, 125, 150, 155, 180, 183, 186, 225, 244, 250, 279, 300, 305, 310, 366, 372, 375, 450, 465, 500, 549, 558, 610, 620, 625, 732, 750, 775, 900, 915, 930, 1098, 1116, 1125, 1220, 1250, 1395, 1500, 1525, 1550, 1830, 1860, 1875, 1891, 2196, 2250, 2325, 2500, 2745, 2790, 3050, 3100, 3125, 3660, 3750, 3782, 3875, 4500, 4575, 4650, 5490, 5580, 5625, 5673, 6100, 6250, 6975, 7500, 7564, 7625, 7750, 9150, 9300, 9375, 9455, 10980, 11250, 11346, 11625, 12500, 13725, 13950, 15250, 15500, 17019, 18300, 18750, 18910, 19375, 22500, 22692, 22875, 23250, 27450, 27900, 28125, 28365, 30500, 34038, 34875, 37500, 37820, 38125, 38750, 45750, 46500, 47275, 54900, 56250, 56730, 58125, 68076, 68625, 69750, 76250, 77500, 85095, 91500, 94550, 96875, 112500, 113460, 114375, 116250, 137250, 139500, 141825, 152500, 170190, 174375, 189100, 190625, 193750, 228750, 232500, 236375, 274500, 283650, 290625, 340380, 343125, 348750, 381250, 387500, 425475, 457500, 472750, 567300, 571875, 581250, 686250, 697500, 709125, 762500, 850950, 871875, 945500, 1143750, 1162500, 1181875, 1372500, 1418250, 1701900, 1715625, 1743750, 2127375, 2287500, 2363750, 2836500, 3431250, 3487500, 3545625, 4254750, 4727500, 5909375, 6862500, 7091250, 8509500, 10636875, 11818750, 14182500, 17728125, 21273750, 23637500, 35456250, 42547500, 53184375, 70912500, 106368750, 212737500]

約数ペア:

[(1, 212737500), (2, 106368750), (3, 70912500), (4, 53184375), (5, 42547500), (6, 35456250), (9, 23637500), (10, 21273750), (12, 17728125), (15, 14182500), (18, 11818750), (20, 10636875), (25, 8509500), (30, 7091250), (31, 6862500), (36, 5909375), (45, 4727500), (50, 4254750), (60, 3545625), (61, 3487500), (62, 3431250), (75, 2836500), (90, 2363750), (93, 2287500), (100, 2127375), (122, 1743750), (124, 1715625), (125, 1701900), (150, 1418250), (155, 1372500), (180, 1181875), (183, 1162500), (186, 1143750), (225, 945500), (244, 871875), (250, 850950), (279, 762500), (300, 709125), (305, 697500), (310, 686250), (366, 581250), (372, 571875), (375, 567300), (450, 472750), (465, 457500), (500, 425475), (549, 387500), (558, 381250), (610, 348750), (620, 343125), (625, 340380), (732, 290625), (750, 283650), (775, 274500), (900, 236375), (915, 232500), (930, 228750), (1098, 193750), (1116, 190625), (1125, 189100), (1220, 174375), (1250, 170190), (1395, 152500), (1500, 141825), (1525, 139500), (1550, 137250), (1830, 116250), (1860, 114375), (1875, 113460), (1891, 112500), (2196, 96875), (2250, 94550), (2325, 91500), (2500, 85095), (2745, 77500), (2790, 76250), (3050, 69750), (3100, 68625), (3125, 68076), (3660, 58125), (3750, 56730), (3782, 56250), (3875, 54900), (4500, 47275), (4575, 46500), (4650, 45750), (5490, 38750), (5580, 38125), (5625, 37820), (5673, 37500), (6100, 34875), (6250, 34038), (6975, 30500), (7500, 28365), (7564, 28125), (7625, 27900), (7750, 27450), (9150, 23250), (9300, 22875), (9375, 22692), (9455, 22500), (10980, 19375), (11250, 18910), (11346, 18750), (11625, 18300), (12500, 17019), (13725, 15500), (13950, 15250)]