18157467250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{787}}^1$

素因数の和:1077

約数の個数: 128

約数和(自身を含む): 37999503360

約数和(自身を除く): 19842036110

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 125, 130, 155, 229, 250, 310, 325, 403, 458, 650, 775, 787, 806, 1145, 1550, 1574, 1625, 2015, 2290, 2977, 3250, 3875, 3935, 4030, 5725, 5954, 7099, 7750, 7870, 10075, 10231, 11450, 14198, 14885, 19675, 20150, 20462, 24397, 28625, 29770, 35495, 39350, 48794, 50375, 51155, 57250, 70990, 74425, 92287, 98375, 100750, 102310, 121985, 148850, 177475, 180223, 184574, 196750, 243970, 255775, 317161, 354950, 360446, 372125, 461435, 511550, 609925, 634322, 744250, 887375, 901115, 922870, 1219850, 1278875, 1585805, 1774750, 1802230, 2307175, 2342899, 2557750, 3049625, 3171610, 4505575, 4614350, 4685798, 5586913, 6099250, 7929025, 9011150, 11173826, 11535875, 11714495, 15858050, 22527875, 23071750, 23428990, 27934565, 39645125, 45055750, 55869130, 58572475, 72629869, 79290250, 117144950, 139672825, 145259738, 279345650, 292862375, 363149345, 585724750, 698364125, 726298690, 1396728250, 1815746725, 3631493450, 9078733625, 18157467250]

約数ペア:

[(1, 18157467250), (2, 9078733625), (5, 3631493450), (10, 1815746725), (13, 1396728250), (25, 726298690), (26, 698364125), (31, 585724750), (50, 363149345), (62, 292862375), (65, 279345650), (125, 145259738), (130, 139672825), (155, 117144950), (229, 79290250), (250, 72629869), (310, 58572475), (325, 55869130), (403, 45055750), (458, 39645125), (650, 27934565), (775, 23428990), (787, 23071750), (806, 22527875), (1145, 15858050), (1550, 11714495), (1574, 11535875), (1625, 11173826), (2015, 9011150), (2290, 7929025), (2977, 6099250), (3250, 5586913), (3875, 4685798), (3935, 4614350), (4030, 4505575), (5725, 3171610), (5954, 3049625), (7099, 2557750), (7750, 2342899), (7870, 2307175), (10075, 1802230), (10231, 1774750), (11450, 1585805), (14198, 1278875), (14885, 1219850), (19675, 922870), (20150, 901115), (20462, 887375), (24397, 744250), (28625, 634322), (29770, 609925), (35495, 511550), (39350, 461435), (48794, 372125), (50375, 360446), (51155, 354950), (57250, 317161), (70990, 255775), (74425, 243970), (92287, 196750), (98375, 184574), (100750, 180223), (102310, 177475), (121985, 148850)]