221314100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:226

約数の個数: 144

約数和(自身を含む): 573463296

約数和(自身を除く): 352149196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 61, 70, 71, 73, 100, 122, 140, 142, 146, 175, 244, 284, 292, 305, 350, 355, 365, 427, 497, 511, 610, 700, 710, 730, 854, 994, 1022, 1220, 1420, 1460, 1525, 1708, 1775, 1825, 1988, 2044, 2135, 2485, 2555, 3050, 3550, 3650, 4270, 4331, 4453, 4970, 5110, 5183, 6100, 7100, 7300, 8540, 8662, 8906, 9940, 10220, 10366, 10675, 12425, 12775, 17324, 17812, 20732, 21350, 21655, 22265, 24850, 25550, 25915, 30317, 31171, 36281, 42700, 43310, 44530, 49700, 51100, 51830, 60634, 62342, 72562, 86620, 89060, 103660, 108275, 111325, 121268, 124684, 129575, 145124, 151585, 155855, 181405, 216550, 222650, 259150, 303170, 311710, 316163, 362810, 433100, 445300, 518300, 606340, 623420, 632326, 725620, 757925, 779275, 907025, 1264652, 1515850, 1558550, 1580815, 1814050, 2213141, 3031700, 3117100, 3161630, 3628100, 4426282, 6323260, 7904075, 8852564, 11065705, 15808150, 22131410, 31616300, 44262820, 55328525, 110657050, 221314100]

約数ペア:

[(1, 221314100), (2, 110657050), (4, 55328525), (5, 44262820), (7, 31616300), (10, 22131410), (14, 15808150), (20, 11065705), (25, 8852564), (28, 7904075), (35, 6323260), (50, 4426282), (61, 3628100), (70, 3161630), (71, 3117100), (73, 3031700), (100, 2213141), (122, 1814050), (140, 1580815), (142, 1558550), (146, 1515850), (175, 1264652), (244, 907025), (284, 779275), (292, 757925), (305, 725620), (350, 632326), (355, 623420), (365, 606340), (427, 518300), (497, 445300), (511, 433100), (610, 362810), (700, 316163), (710, 311710), (730, 303170), (854, 259150), (994, 222650), (1022, 216550), (1220, 181405), (1420, 155855), (1460, 151585), (1525, 145124), (1708, 129575), (1775, 124684), (1825, 121268), (1988, 111325), (2044, 108275), (2135, 103660), (2485, 89060), (2555, 86620), (3050, 72562), (3550, 62342), (3650, 60634), (4270, 51830), (4331, 51100), (4453, 49700), (4970, 44530), (5110, 43310), (5183, 42700), (6100, 36281), (7100, 31171), (7300, 30317), (8540, 25915), (8662, 25550), (8906, 24850), (9940, 22265), (10220, 21655), (10366, 21350), (10675, 20732), (12425, 17812), (12775, 17324)]