19858786750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{5791}}^1$

素因数の和:5891

約数の個数: 128

約数和(自身を含む): 42936791040

約数和(自身を除く): 23078004290

約数列:

[1, 2, 5, 10, 11, 22, 25, 29, 43, 50, 55, 58, 86, 110, 125, 145, 215, 250, 275, 290, 319, 430, 473, 550, 638, 725, 946, 1075, 1247, 1375, 1450, 1595, 2150, 2365, 2494, 2750, 3190, 3625, 4730, 5375, 5791, 6235, 7250, 7975, 10750, 11582, 11825, 12470, 13717, 15950, 23650, 27434, 28955, 31175, 39875, 57910, 59125, 62350, 63701, 68585, 79750, 118250, 127402, 137170, 144775, 155875, 167939, 249013, 289550, 311750, 318505, 335878, 342925, 498026, 637010, 685850, 723875, 839695, 1245065, 1447750, 1592525, 1679390, 1714625, 1847329, 2490130, 2739143, 3185050, 3429250, 3694658, 4198475, 5478286, 6225325, 7221377, 7962625, 8396950, 9236645, 12450650, 13695715, 14442754, 15925250, 18473290, 20992375, 27391430, 31126625, 36106885, 41984750, 46183225, 62253250, 68478575, 72213770, 79435147, 92366450, 136957150, 158870294, 180534425, 230916125, 342392875, 361068850, 397175735, 461832250, 684785750, 794351470, 902672125, 1805344250, 1985878675, 3971757350, 9929393375, 19858786750]

約数ペア:

[(1, 19858786750), (2, 9929393375), (5, 3971757350), (10, 1985878675), (11, 1805344250), (22, 902672125), (25, 794351470), (29, 684785750), (43, 461832250), (50, 397175735), (55, 361068850), (58, 342392875), (86, 230916125), (110, 180534425), (125, 158870294), (145, 136957150), (215, 92366450), (250, 79435147), (275, 72213770), (290, 68478575), (319, 62253250), (430, 46183225), (473, 41984750), (550, 36106885), (638, 31126625), (725, 27391430), (946, 20992375), (1075, 18473290), (1247, 15925250), (1375, 14442754), (1450, 13695715), (1595, 12450650), (2150, 9236645), (2365, 8396950), (2494, 7962625), (2750, 7221377), (3190, 6225325), (3625, 5478286), (4730, 4198475), (5375, 3694658), (5791, 3429250), (6235, 3185050), (7250, 2739143), (7975, 2490130), (10750, 1847329), (11582, 1714625), (11825, 1679390), (12470, 1592525), (13717, 1447750), (15950, 1245065), (23650, 839695), (27434, 723875), (28955, 685850), (31175, 637010), (39875, 498026), (57910, 342925), (59125, 335878), (62350, 318505), (63701, 311750), (68585, 289550), (79750, 249013), (118250, 167939), (127402, 155875), (137170, 144775)]