31461900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:264

約数の個数: 144

約数和(自身を含む): 99993600

約数和(自身を除く): 68531700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 31, 34, 50, 51, 60, 62, 68, 75, 85, 93, 100, 102, 124, 150, 155, 170, 186, 199, 204, 255, 300, 310, 340, 372, 398, 425, 465, 510, 527, 597, 620, 775, 796, 850, 930, 995, 1020, 1054, 1194, 1275, 1550, 1581, 1700, 1860, 1990, 2108, 2325, 2388, 2550, 2635, 2985, 3100, 3162, 3383, 3980, 4650, 4975, 5100, 5270, 5970, 6169, 6324, 6766, 7905, 9300, 9950, 10149, 10540, 11940, 12338, 13175, 13532, 14925, 15810, 16915, 18507, 19900, 20298, 24676, 26350, 29850, 30845, 31620, 33830, 37014, 39525, 40596, 50745, 52700, 59700, 61690, 67660, 74028, 79050, 84575, 92535, 101490, 104873, 123380, 154225, 158100, 169150, 185070, 202980, 209746, 253725, 308450, 314619, 338300, 370140, 419492, 462675, 507450, 524365, 616900, 629238, 925350, 1014900, 1048730, 1258476, 1573095, 1850700, 2097460, 2621825, 3146190, 5243650, 6292380, 7865475, 10487300, 15730950, 31461900]

約数ペア:

[(1, 31461900), (2, 15730950), (3, 10487300), (4, 7865475), (5, 6292380), (6, 5243650), (10, 3146190), (12, 2621825), (15, 2097460), (17, 1850700), (20, 1573095), (25, 1258476), (30, 1048730), (31, 1014900), (34, 925350), (50, 629238), (51, 616900), (60, 524365), (62, 507450), (68, 462675), (75, 419492), (85, 370140), (93, 338300), (100, 314619), (102, 308450), (124, 253725), (150, 209746), (155, 202980), (170, 185070), (186, 169150), (199, 158100), (204, 154225), (255, 123380), (300, 104873), (310, 101490), (340, 92535), (372, 84575), (398, 79050), (425, 74028), (465, 67660), (510, 61690), (527, 59700), (597, 52700), (620, 50745), (775, 40596), (796, 39525), (850, 37014), (930, 33830), (995, 31620), (1020, 30845), (1054, 29850), (1194, 26350), (1275, 24676), (1550, 20298), (1581, 19900), (1700, 18507), (1860, 16915), (1990, 15810), (2108, 14925), (2325, 13532), (2388, 13175), (2550, 12338), (2635, 11940), (2985, 10540), (3100, 10149), (3162, 9950), (3383, 9300), (3980, 7905), (4650, 6766), (4975, 6324), (5100, 6169), (5270, 5970)]