220199508

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{509}}^1$

素因数の和:777

約数の個数: 72

約数和(自身を含む): 569729160

約数和(自身を除く): 349529652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 183, 197, 244, 366, 394, 509, 549, 591, 732, 788, 1018, 1098, 1182, 1527, 1773, 2036, 2196, 2364, 3054, 3546, 4581, 6108, 7092, 9162, 12017, 18324, 24034, 31049, 36051, 48068, 62098, 72102, 93147, 100273, 108153, 124196, 144204, 186294, 200546, 216306, 279441, 300819, 372588, 401092, 432612, 558882, 601638, 902457, 1117764, 1203276, 1804914, 3609828, 6116653, 12233306, 18349959, 24466612, 36699918, 55049877, 73399836, 110099754, 220199508]

約数ペア:

[(1, 220199508), (2, 110099754), (3, 73399836), (4, 55049877), (6, 36699918), (9, 24466612), (12, 18349959), (18, 12233306), (36, 6116653), (61, 3609828), (122, 1804914), (183, 1203276), (197, 1117764), (244, 902457), (366, 601638), (394, 558882), (509, 432612), (549, 401092), (591, 372588), (732, 300819), (788, 279441), (1018, 216306), (1098, 200546), (1182, 186294), (1527, 144204), (1773, 124196), (2036, 108153), (2196, 100273), (2364, 93147), (3054, 72102), (3546, 62098), (4581, 48068), (6108, 36051), (7092, 31049), (9162, 24034), (12017, 18324)]