20219972100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{151}}^1\times {\mathrm{199}}^1\times {\mathrm{2243}}^1$

素因数の和:2610

約数の個数: 144

約数和(自身を含む): 59212876800

約数和(自身を除く): 38992904700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 151, 199, 300, 302, 398, 453, 597, 604, 755, 796, 906, 995, 1194, 1510, 1812, 1990, 2243, 2265, 2388, 2985, 3020, 3775, 3980, 4486, 4530, 4975, 5970, 6729, 7550, 8972, 9060, 9950, 11215, 11325, 11940, 13458, 14925, 15100, 19900, 22430, 22650, 26916, 29850, 30049, 33645, 44860, 45300, 56075, 59700, 60098, 67290, 90147, 112150, 120196, 134580, 150245, 168225, 180294, 224300, 300490, 336450, 338693, 360588, 446357, 450735, 600980, 672900, 677386, 751225, 892714, 901470, 1016079, 1339071, 1354772, 1502450, 1693465, 1785428, 1802940, 2032158, 2231785, 2253675, 2678142, 3004900, 3386930, 4064316, 4463570, 4507350, 5080395, 5356284, 6695355, 6773860, 8467325, 8927140, 9014700, 10160790, 11158925, 13390710, 16934650, 20321580, 22317850, 25401975, 26781420, 33476775, 33869300, 44635700, 50803950, 66953550, 67399907, 101607900, 133907100, 134799814, 202199721, 269599628, 336999535, 404399442, 673999070, 808798884, 1010998605, 1347998140, 1684997675, 2021997210, 3369995350, 4043994420, 5054993025, 6739990700, 10109986050, 20219972100]

約数ペア:

[(1, 20219972100), (2, 10109986050), (3, 6739990700), (4, 5054993025), (5, 4043994420), (6, 3369995350), (10, 2021997210), (12, 1684997675), (15, 1347998140), (20, 1010998605), (25, 808798884), (30, 673999070), (50, 404399442), (60, 336999535), (75, 269599628), (100, 202199721), (150, 134799814), (151, 133907100), (199, 101607900), (300, 67399907), (302, 66953550), (398, 50803950), (453, 44635700), (597, 33869300), (604, 33476775), (755, 26781420), (796, 25401975), (906, 22317850), (995, 20321580), (1194, 16934650), (1510, 13390710), (1812, 11158925), (1990, 10160790), (2243, 9014700), (2265, 8927140), (2388, 8467325), (2985, 6773860), (3020, 6695355), (3775, 5356284), (3980, 5080395), (4486, 4507350), (4530, 4463570), (4975, 4064316), (5970, 3386930), (6729, 3004900), (7550, 2678142), (8972, 2253675), (9060, 2231785), (9950, 2032158), (11215, 1802940), (11325, 1785428), (11940, 1693465), (13458, 1502450), (14925, 1354772), (15100, 1339071), (19900, 1016079), (22430, 901470), (22650, 892714), (26916, 751225), (29850, 677386), (30049, 672900), (33645, 600980), (44860, 450735), (45300, 446357), (56075, 360588), (59700, 338693), (60098, 336450), (67290, 300490), (90147, 224300), (112150, 180294), (120196, 168225), (134580, 150245)]