620287060

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1\times {\mathrm{547}}^1$

素因数の和:677

約数の個数: 72

約数和(自身を含む): 1371293280

約数和(自身を除く): 751006220

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 118, 124, 155, 236, 295, 310, 547, 590, 620, 961, 1094, 1180, 1829, 1922, 2188, 2735, 3658, 3844, 4805, 5470, 7316, 9145, 9610, 10940, 16957, 18290, 19220, 32273, 33914, 36580, 56699, 64546, 67828, 84785, 113398, 129092, 161365, 169570, 226796, 283495, 322730, 339140, 525667, 566990, 645460, 1000463, 1051334, 1133980, 2000926, 2102668, 2628335, 4001852, 5002315, 5256670, 10004630, 10513340, 20009260, 31014353, 62028706, 124057412, 155071765, 310143530, 620287060]

約数ペア:

[(1, 620287060), (2, 310143530), (4, 155071765), (5, 124057412), (10, 62028706), (20, 31014353), (31, 20009260), (59, 10513340), (62, 10004630), (118, 5256670), (124, 5002315), (155, 4001852), (236, 2628335), (295, 2102668), (310, 2000926), (547, 1133980), (590, 1051334), (620, 1000463), (961, 645460), (1094, 566990), (1180, 525667), (1829, 339140), (1922, 322730), (2188, 283495), (2735, 226796), (3658, 169570), (3844, 161365), (4805, 129092), (5470, 113398), (7316, 84785), (9145, 67828), (9610, 64546), (10940, 56699), (16957, 36580), (18290, 33914), (19220, 32273)]