291229233100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{991}}^1\times {\mathrm{17389}}^1$

素因数の和:18420

約数の個数: 108

約数和(自身を含む): 685049695680

約数和(自身を除く): 393820462580

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 169, 260, 325, 338, 650, 676, 845, 991, 1300, 1690, 1982, 3380, 3964, 4225, 4955, 8450, 9910, 12883, 16900, 17389, 19820, 24775, 25766, 34778, 49550, 51532, 64415, 69556, 86945, 99100, 128830, 167479, 173890, 226057, 257660, 322075, 334958, 347780, 434725, 452114, 644150, 669916, 837395, 869450, 904228, 1130285, 1288300, 1674790, 1738900, 2260570, 2938741, 3349580, 4186975, 4521140, 5651425, 5877482, 8373950, 11302850, 11754964, 14693705, 16747900, 17232499, 22605700, 29387410, 34464998, 58774820, 68929996, 73468525, 86162495, 146937050, 172324990, 224022487, 293874100, 344649980, 430812475, 448044974, 861624950, 896089948, 1120112435, 1723249900, 2240224870, 2912292331, 4480449740, 5600562175, 5824584662, 11201124350, 11649169324, 14561461655, 22402248700, 29122923310, 58245846620, 72807308275, 145614616550, 291229233100]

約数ペア:

[(1, 291229233100), (2, 145614616550), (4, 72807308275), (5, 58245846620), (10, 29122923310), (13, 22402248700), (20, 14561461655), (25, 11649169324), (26, 11201124350), (50, 5824584662), (52, 5600562175), (65, 4480449740), (100, 2912292331), (130, 2240224870), (169, 1723249900), (260, 1120112435), (325, 896089948), (338, 861624950), (650, 448044974), (676, 430812475), (845, 344649980), (991, 293874100), (1300, 224022487), (1690, 172324990), (1982, 146937050), (3380, 86162495), (3964, 73468525), (4225, 68929996), (4955, 58774820), (8450, 34464998), (9910, 29387410), (12883, 22605700), (16900, 17232499), (17389, 16747900), (19820, 14693705), (24775, 11754964), (25766, 11302850), (34778, 8373950), (49550, 5877482), (51532, 5651425), (64415, 4521140), (69556, 4186975), (86945, 3349580), (99100, 2938741), (128830, 2260570), (167479, 1738900), (173890, 1674790), (226057, 1288300), (257660, 1130285), (322075, 904228), (334958, 869450), (347780, 837395), (434725, 669916), (452114, 644150)]