84253540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{577}}^1$

素因数の和:749

約数の個数: 72

約数和(自身を含む): 207559800

約数和(自身を除く): 123306260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 149, 196, 245, 298, 490, 577, 596, 745, 980, 1043, 1154, 1490, 2086, 2308, 2885, 2980, 4039, 4172, 5215, 5770, 7301, 8078, 10430, 11540, 14602, 16156, 20195, 20860, 28273, 29204, 36505, 40390, 56546, 73010, 80780, 85973, 113092, 141365, 146020, 171946, 282730, 343892, 429865, 565460, 601811, 859730, 1203622, 1719460, 2407244, 3009055, 4212677, 6018110, 8425354, 12036220, 16850708, 21063385, 42126770, 84253540]

約数ペア:

[(1, 84253540), (2, 42126770), (4, 21063385), (5, 16850708), (7, 12036220), (10, 8425354), (14, 6018110), (20, 4212677), (28, 3009055), (35, 2407244), (49, 1719460), (70, 1203622), (98, 859730), (140, 601811), (149, 565460), (196, 429865), (245, 343892), (298, 282730), (490, 171946), (577, 146020), (596, 141365), (745, 113092), (980, 85973), (1043, 80780), (1154, 73010), (1490, 56546), (2086, 40390), (2308, 36505), (2885, 29204), (2980, 28273), (4039, 20860), (4172, 20195), (5215, 16156), (5770, 14602), (7301, 11540), (8078, 10430)]