631985620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1721}}^1$

素因数の和:1841

約数の個数: 96

約数和(自身を含む): 1578398976

約数和(自身を除く): 946413356

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 61, 70, 86, 122, 140, 172, 215, 244, 301, 305, 427, 430, 602, 610, 854, 860, 1204, 1220, 1505, 1708, 1721, 2135, 2623, 3010, 3442, 4270, 5246, 6020, 6884, 8540, 8605, 10492, 12047, 13115, 17210, 18361, 24094, 26230, 34420, 36722, 48188, 52460, 60235, 73444, 74003, 91805, 104981, 120470, 148006, 183610, 209962, 240940, 296012, 367220, 370015, 419924, 518021, 524905, 734867, 740030, 1036042, 1049810, 1469734, 1480060, 2072084, 2099620, 2590105, 2939468, 3674335, 4514183, 5180210, 7348670, 9028366, 10360420, 14697340, 18056732, 22570915, 31599281, 45141830, 63198562, 90283660, 126397124, 157996405, 315992810, 631985620]

約数ペア:

[(1, 631985620), (2, 315992810), (4, 157996405), (5, 126397124), (7, 90283660), (10, 63198562), (14, 45141830), (20, 31599281), (28, 22570915), (35, 18056732), (43, 14697340), (61, 10360420), (70, 9028366), (86, 7348670), (122, 5180210), (140, 4514183), (172, 3674335), (215, 2939468), (244, 2590105), (301, 2099620), (305, 2072084), (427, 1480060), (430, 1469734), (602, 1049810), (610, 1036042), (854, 740030), (860, 734867), (1204, 524905), (1220, 518021), (1505, 419924), (1708, 370015), (1721, 367220), (2135, 296012), (2623, 240940), (3010, 209962), (3442, 183610), (4270, 148006), (5246, 120470), (6020, 104981), (6884, 91805), (8540, 74003), (8605, 73444), (10492, 60235), (12047, 52460), (13115, 48188), (17210, 36722), (18361, 34420), (24094, 26230)]