89894420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:334

約数の個数: 144

約数和(自身を含む): 248209920

約数和(自身を除く): 158315500

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 49, 55, 62, 70, 77, 98, 110, 124, 140, 154, 155, 196, 217, 220, 245, 269, 308, 310, 341, 385, 434, 490, 538, 539, 620, 682, 770, 868, 980, 1076, 1078, 1085, 1345, 1364, 1519, 1540, 1705, 1883, 2156, 2170, 2387, 2690, 2695, 2959, 3038, 3410, 3766, 4340, 4774, 5380, 5390, 5918, 6076, 6820, 7532, 7595, 8339, 9415, 9548, 10780, 11836, 11935, 13181, 14795, 15190, 16678, 16709, 18830, 20713, 23870, 26362, 29590, 30380, 33356, 33418, 37660, 41426, 41695, 47740, 52724, 58373, 59180, 65905, 66836, 82852, 83390, 83545, 91729, 103565, 116746, 131810, 144991, 166780, 167090, 183458, 207130, 233492, 263620, 289982, 291865, 334180, 366916, 408611, 414260, 458645, 579964, 583730, 642103, 724955, 817222, 917290, 1167460, 1284206, 1449910, 1634444, 1834580, 2043055, 2568412, 2899820, 3210515, 4086110, 4494721, 6421030, 8172220, 8989442, 12842060, 17978884, 22473605, 44947210, 89894420]

約数ペア:

[(1, 89894420), (2, 44947210), (4, 22473605), (5, 17978884), (7, 12842060), (10, 8989442), (11, 8172220), (14, 6421030), (20, 4494721), (22, 4086110), (28, 3210515), (31, 2899820), (35, 2568412), (44, 2043055), (49, 1834580), (55, 1634444), (62, 1449910), (70, 1284206), (77, 1167460), (98, 917290), (110, 817222), (124, 724955), (140, 642103), (154, 583730), (155, 579964), (196, 458645), (217, 414260), (220, 408611), (245, 366916), (269, 334180), (308, 291865), (310, 289982), (341, 263620), (385, 233492), (434, 207130), (490, 183458), (538, 167090), (539, 166780), (620, 144991), (682, 131810), (770, 116746), (868, 103565), (980, 91729), (1076, 83545), (1078, 83390), (1085, 82852), (1345, 66836), (1364, 65905), (1519, 59180), (1540, 58373), (1705, 52724), (1883, 47740), (2156, 41695), (2170, 41426), (2387, 37660), (2690, 33418), (2695, 33356), (2959, 30380), (3038, 29590), (3410, 26362), (3766, 23870), (4340, 20713), (4774, 18830), (5380, 16709), (5390, 16678), (5918, 15190), (6076, 14795), (6820, 13181), (7532, 11935), (7595, 11836), (8339, 10780), (9415, 9548)]