20191006100

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:658

約数の個数: 144

約数和(自身を含む): 45670410240

約数和(自身を除く): 25479404140

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 67, 100, 122, 127, 134, 244, 254, 268, 305, 335, 389, 508, 610, 635, 670, 778, 1220, 1270, 1340, 1525, 1556, 1675, 1945, 2540, 3050, 3175, 3350, 3890, 4087, 6100, 6350, 6700, 7747, 7780, 8174, 8509, 9725, 12700, 15494, 16348, 17018, 19450, 20435, 23729, 26063, 30988, 34036, 38735, 38900, 40870, 42545, 47458, 49403, 52126, 77470, 81740, 85090, 94916, 98806, 102175, 104252, 118645, 130315, 154940, 170180, 193675, 197612, 204350, 212725, 237290, 247015, 260630, 387350, 408700, 425450, 474580, 494030, 519049, 521260, 593225, 651575, 774700, 850900, 988060, 1038098, 1186450, 1235075, 1303150, 1589843, 2076196, 2372900, 2470150, 2595245, 2606300, 3013583, 3179686, 3310001, 4940300, 5190490, 6027166, 6359372, 6620002, 7949215, 10380980, 12054332, 12976225, 13240004, 15067915, 15898430, 16550005, 25952450, 30135830, 31796860, 33100010, 39746075, 51904900, 60271660, 66200020, 75339575, 79492150, 82750025, 150679150, 158984300, 165500050, 201910061, 301358300, 331000100, 403820122, 807640244, 1009550305, 2019100610, 4038201220, 5047751525, 10095503050, 20191006100]

約数ペア:

[(1, 20191006100), (2, 10095503050), (4, 5047751525), (5, 4038201220), (10, 2019100610), (20, 1009550305), (25, 807640244), (50, 403820122), (61, 331000100), (67, 301358300), (100, 201910061), (122, 165500050), (127, 158984300), (134, 150679150), (244, 82750025), (254, 79492150), (268, 75339575), (305, 66200020), (335, 60271660), (389, 51904900), (508, 39746075), (610, 33100010), (635, 31796860), (670, 30135830), (778, 25952450), (1220, 16550005), (1270, 15898430), (1340, 15067915), (1525, 13240004), (1556, 12976225), (1675, 12054332), (1945, 10380980), (2540, 7949215), (3050, 6620002), (3175, 6359372), (3350, 6027166), (3890, 5190490), (4087, 4940300), (6100, 3310001), (6350, 3179686), (6700, 3013583), (7747, 2606300), (7780, 2595245), (8174, 2470150), (8509, 2372900), (9725, 2076196), (12700, 1589843), (15494, 1303150), (16348, 1235075), (17018, 1186450), (19450, 1038098), (20435, 988060), (23729, 850900), (26063, 774700), (30988, 651575), (34036, 593225), (38735, 521260), (38900, 519049), (40870, 494030), (42545, 474580), (47458, 425450), (49403, 408700), (52126, 387350), (77470, 260630), (81740, 247015), (85090, 237290), (94916, 212725), (98806, 204350), (102175, 197612), (104252, 193675), (118645, 170180), (130315, 154940)]