61697860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{401}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 152057304

約数和(自身を除く): 90359444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 157, 196, 245, 314, 401, 490, 628, 785, 802, 980, 1099, 1570, 1604, 2005, 2198, 2807, 3140, 4010, 4396, 5495, 5614, 7693, 8020, 10990, 11228, 14035, 15386, 19649, 21980, 28070, 30772, 38465, 39298, 56140, 62957, 76930, 78596, 98245, 125914, 153860, 196490, 251828, 314785, 392980, 440699, 629570, 881398, 1259140, 1762796, 2203495, 3084893, 4406990, 6169786, 8813980, 12339572, 15424465, 30848930, 61697860]

約数ペア:

[(1, 61697860), (2, 30848930), (4, 15424465), (5, 12339572), (7, 8813980), (10, 6169786), (14, 4406990), (20, 3084893), (28, 2203495), (35, 1762796), (49, 1259140), (70, 881398), (98, 629570), (140, 440699), (157, 392980), (196, 314785), (245, 251828), (314, 196490), (401, 153860), (490, 125914), (628, 98245), (785, 78596), (802, 76930), (980, 62957), (1099, 56140), (1570, 39298), (1604, 38465), (2005, 30772), (2198, 28070), (2807, 21980), (3140, 19649), (4010, 15386), (4396, 14035), (5495, 11228), (5614, 10990), (7693, 8020)]