211319250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:261

約数の個数: 128

約数和(自身を含む): 557107200

約数和(自身を除く): 345787950

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 31, 50, 61, 62, 75, 93, 122, 125, 149, 150, 155, 183, 186, 250, 298, 305, 310, 366, 375, 447, 465, 610, 745, 750, 775, 894, 915, 930, 1490, 1525, 1550, 1830, 1891, 2235, 2325, 3050, 3725, 3782, 3875, 4470, 4575, 4619, 4650, 5673, 7450, 7625, 7750, 9089, 9150, 9238, 9455, 11175, 11346, 11625, 13857, 15250, 18178, 18625, 18910, 22350, 22875, 23095, 23250, 27267, 27714, 28365, 37250, 45445, 45750, 46190, 47275, 54534, 55875, 56730, 69285, 90890, 94550, 111750, 115475, 136335, 138570, 141825, 227225, 230950, 236375, 272670, 281759, 283650, 346425, 454450, 472750, 563518, 577375, 681675, 692850, 709125, 845277, 1136125, 1154750, 1363350, 1408795, 1418250, 1690554, 1732125, 2272250, 2817590, 3408375, 3464250, 4226385, 6816750, 7043975, 8452770, 14087950, 21131925, 35219875, 42263850, 70439750, 105659625, 211319250]

約数ペア:

[(1, 211319250), (2, 105659625), (3, 70439750), (5, 42263850), (6, 35219875), (10, 21131925), (15, 14087950), (25, 8452770), (30, 7043975), (31, 6816750), (50, 4226385), (61, 3464250), (62, 3408375), (75, 2817590), (93, 2272250), (122, 1732125), (125, 1690554), (149, 1418250), (150, 1408795), (155, 1363350), (183, 1154750), (186, 1136125), (250, 845277), (298, 709125), (305, 692850), (310, 681675), (366, 577375), (375, 563518), (447, 472750), (465, 454450), (610, 346425), (745, 283650), (750, 281759), (775, 272670), (894, 236375), (915, 230950), (930, 227225), (1490, 141825), (1525, 138570), (1550, 136335), (1830, 115475), (1891, 111750), (2235, 94550), (2325, 90890), (3050, 69285), (3725, 56730), (3782, 55875), (3875, 54534), (4470, 47275), (4575, 46190), (4619, 45750), (4650, 45445), (5673, 37250), (7450, 28365), (7625, 27714), (7750, 27267), (9089, 23250), (9150, 23095), (9238, 22875), (9455, 22350), (11175, 18910), (11346, 18625), (11625, 18178), (13857, 15250)]