122915000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:131

約数の個数: 160

約数和(自身を含む): 325395840

約数和(自身を除く): 202480840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 31, 40, 50, 52, 61, 62, 65, 100, 104, 122, 124, 125, 130, 155, 200, 244, 248, 250, 260, 305, 310, 325, 403, 488, 500, 520, 610, 620, 625, 650, 775, 793, 806, 1000, 1220, 1240, 1250, 1300, 1525, 1550, 1586, 1612, 1625, 1891, 2015, 2440, 2500, 2600, 3050, 3100, 3172, 3224, 3250, 3782, 3875, 3965, 4030, 5000, 6100, 6200, 6344, 6500, 7564, 7625, 7750, 7930, 8060, 8125, 9455, 10075, 12200, 13000, 15128, 15250, 15500, 15860, 16120, 16250, 18910, 19375, 19825, 20150, 24583, 30500, 31000, 31720, 32500, 37820, 38125, 38750, 39650, 40300, 47275, 49166, 50375, 61000, 65000, 75640, 76250, 77500, 79300, 80600, 94550, 98332, 99125, 100750, 122915, 152500, 155000, 158600, 189100, 196664, 198250, 201500, 236375, 245830, 251875, 305000, 378200, 396500, 403000, 472750, 491660, 495625, 503750, 614575, 793000, 945500, 983320, 991250, 1007500, 1181875, 1229150, 1891000, 1982500, 2015000, 2363750, 2458300, 3072875, 3965000, 4727500, 4916600, 6145750, 9455000, 12291500, 15364375, 24583000, 30728750, 61457500, 122915000]

約数ペア:

[(1, 122915000), (2, 61457500), (4, 30728750), (5, 24583000), (8, 15364375), (10, 12291500), (13, 9455000), (20, 6145750), (25, 4916600), (26, 4727500), (31, 3965000), (40, 3072875), (50, 2458300), (52, 2363750), (61, 2015000), (62, 1982500), (65, 1891000), (100, 1229150), (104, 1181875), (122, 1007500), (124, 991250), (125, 983320), (130, 945500), (155, 793000), (200, 614575), (244, 503750), (248, 495625), (250, 491660), (260, 472750), (305, 403000), (310, 396500), (325, 378200), (403, 305000), (488, 251875), (500, 245830), (520, 236375), (610, 201500), (620, 198250), (625, 196664), (650, 189100), (775, 158600), (793, 155000), (806, 152500), (1000, 122915), (1220, 100750), (1240, 99125), (1250, 98332), (1300, 94550), (1525, 80600), (1550, 79300), (1586, 77500), (1612, 76250), (1625, 75640), (1891, 65000), (2015, 61000), (2440, 50375), (2500, 49166), (2600, 47275), (3050, 40300), (3100, 39650), (3172, 38750), (3224, 38125), (3250, 37820), (3782, 32500), (3875, 31720), (3965, 31000), (4030, 30500), (5000, 24583), (6100, 20150), (6200, 19825), (6344, 19375), (6500, 18910), (7564, 16250), (7625, 16120), (7750, 15860), (7930, 15500), (8060, 15250), (8125, 15128), (9455, 13000), (10075, 12200)]