20226772475

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:374

約数の個数: 144

約数和(自身を含む): 32335930368

約数和(自身を除く): 12109157893

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 73, 91, 127, 137, 175, 245, 325, 365, 455, 511, 635, 637, 685, 889, 949, 959, 1225, 1651, 1781, 1825, 2275, 2555, 3175, 3185, 3425, 3577, 4445, 4745, 4795, 6223, 6643, 6713, 8255, 8905, 9271, 10001, 11557, 12467, 12775, 15925, 17399, 17885, 22225, 23725, 23975, 31115, 33215, 33565, 41275, 44525, 46355, 46501, 50005, 57785, 62335, 64897, 70007, 80899, 86995, 87269, 89425, 120523, 121793, 130013, 155575, 166075, 167825, 226187, 231775, 232505, 250025, 288925, 311675, 324485, 350035, 404495, 434975, 436345, 454279, 490049, 602615, 608965, 650065, 843661, 852551, 910091, 1130935, 1162525, 1270127, 1583309, 1622425, 1750175, 2022475, 2181725, 2271395, 2450245, 3013075, 3044825, 3250325, 4218305, 4262755, 4550455, 5654675, 5905627, 6350635, 6370637, 7916545, 8890889, 11083163, 11356975, 12251225, 16511651, 21091525, 21313775, 22752275, 29528135, 31753175, 31853185, 39582725, 44454445, 55415815, 62236223, 82558255, 115581557, 147640675, 159265925, 222272225, 277079075, 311181115, 412791275, 577907785, 809070899, 1555905575, 2889538925, 4045354495, 20226772475]

約数ペア:

[(1, 20226772475), (5, 4045354495), (7, 2889538925), (13, 1555905575), (25, 809070899), (35, 577907785), (49, 412791275), (65, 311181115), (73, 277079075), (91, 222272225), (127, 159265925), (137, 147640675), (175, 115581557), (245, 82558255), (325, 62236223), (365, 55415815), (455, 44454445), (511, 39582725), (635, 31853185), (637, 31753175), (685, 29528135), (889, 22752275), (949, 21313775), (959, 21091525), (1225, 16511651), (1651, 12251225), (1781, 11356975), (1825, 11083163), (2275, 8890889), (2555, 7916545), (3175, 6370637), (3185, 6350635), (3425, 5905627), (3577, 5654675), (4445, 4550455), (4745, 4262755), (4795, 4218305), (6223, 3250325), (6643, 3044825), (6713, 3013075), (8255, 2450245), (8905, 2271395), (9271, 2181725), (10001, 2022475), (11557, 1750175), (12467, 1622425), (12775, 1583309), (15925, 1270127), (17399, 1162525), (17885, 1130935), (22225, 910091), (23725, 852551), (23975, 843661), (31115, 650065), (33215, 608965), (33565, 602615), (41275, 490049), (44525, 454279), (46355, 436345), (46501, 434975), (50005, 404495), (57785, 350035), (62335, 324485), (64897, 311675), (70007, 288925), (80899, 250025), (86995, 232505), (87269, 231775), (89425, 226187), (120523, 167825), (121793, 166075), (130013, 155575)]