201478120

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1163}}^1$

素因数の和:1306

約数の個数: 64

約数和(自身を含む): 467648640

約数和(自身を除く): 266170520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 71, 122, 142, 244, 284, 305, 355, 488, 568, 610, 710, 1163, 1220, 1420, 2326, 2440, 2840, 4331, 4652, 5815, 8662, 9304, 11630, 17324, 21655, 23260, 34648, 43310, 46520, 70943, 82573, 86620, 141886, 165146, 173240, 283772, 330292, 354715, 412865, 567544, 660584, 709430, 825730, 1418860, 1651460, 2837720, 3302920, 5036953, 10073906, 20147812, 25184765, 40295624, 50369530, 100739060, 201478120]

約数ペア:

[(1, 201478120), (2, 100739060), (4, 50369530), (5, 40295624), (8, 25184765), (10, 20147812), (20, 10073906), (40, 5036953), (61, 3302920), (71, 2837720), (122, 1651460), (142, 1418860), (244, 825730), (284, 709430), (305, 660584), (355, 567544), (488, 412865), (568, 354715), (610, 330292), (710, 283772), (1163, 173240), (1220, 165146), (1420, 141886), (2326, 86620), (2440, 82573), (2840, 70943), (4331, 46520), (4652, 43310), (5815, 34648), (8662, 23260), (9304, 21655), (11630, 17324)]