2019979715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{223}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 2807046144

約数和(自身を除く): 787066429

約数列:

[1, 5, 13, 23, 65, 73, 83, 115, 223, 299, 365, 415, 949, 1079, 1115, 1495, 1679, 1909, 2899, 4745, 5129, 5395, 6059, 8395, 9545, 14495, 16279, 18509, 21827, 24817, 25645, 30295, 66677, 78767, 81395, 92545, 109135, 124085, 139357, 211627, 240617, 333385, 374417, 393835, 425707, 696785, 1058135, 1203085, 1351157, 1811641, 1872085, 2128535, 4867421, 5534191, 6755785, 9058205, 17565041, 24337105, 27670955, 31076611, 87825205, 155383055, 403995943, 2019979715]

約数ペア:

[(1, 2019979715), (5, 403995943), (13, 155383055), (23, 87825205), (65, 31076611), (73, 27670955), (83, 24337105), (115, 17565041), (223, 9058205), (299, 6755785), (365, 5534191), (415, 4867421), (949, 2128535), (1079, 1872085), (1115, 1811641), (1495, 1351157), (1679, 1203085), (1909, 1058135), (2899, 696785), (4745, 425707), (5129, 393835), (5395, 374417), (6059, 333385), (8395, 240617), (9545, 211627), (14495, 139357), (16279, 124085), (18509, 109135), (21827, 92545), (24817, 81395), (25645, 78767), (30295, 66677)]