99992980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:289

約数の個数: 96

約数和(自身を含む): 235146240

約数和(自身を除く): 135153260

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 53, 62, 68, 85, 106, 124, 155, 170, 179, 212, 265, 310, 340, 358, 527, 530, 620, 716, 895, 901, 1054, 1060, 1643, 1790, 1802, 2108, 2635, 3043, 3286, 3580, 3604, 4505, 5270, 5549, 6086, 6572, 8215, 9010, 9487, 10540, 11098, 12172, 15215, 16430, 18020, 18974, 22196, 27745, 27931, 30430, 32860, 37948, 47435, 55490, 55862, 60860, 94333, 94870, 110980, 111724, 139655, 161279, 188666, 189740, 279310, 294097, 322558, 377332, 471665, 558620, 588194, 645116, 806395, 943330, 1176388, 1470485, 1612790, 1886660, 2940970, 3225580, 4999649, 5881940, 9999298, 19998596, 24998245, 49996490, 99992980]

約数ペア:

[(1, 99992980), (2, 49996490), (4, 24998245), (5, 19998596), (10, 9999298), (17, 5881940), (20, 4999649), (31, 3225580), (34, 2940970), (53, 1886660), (62, 1612790), (68, 1470485), (85, 1176388), (106, 943330), (124, 806395), (155, 645116), (170, 588194), (179, 558620), (212, 471665), (265, 377332), (310, 322558), (340, 294097), (358, 279310), (527, 189740), (530, 188666), (620, 161279), (716, 139655), (895, 111724), (901, 110980), (1054, 94870), (1060, 94333), (1643, 60860), (1790, 55862), (1802, 55490), (2108, 47435), (2635, 37948), (3043, 32860), (3286, 30430), (3580, 27931), (3604, 27745), (4505, 22196), (5270, 18974), (5549, 18020), (6086, 16430), (6572, 15215), (8215, 12172), (9010, 11098), (9487, 10540)]