78364900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1487}}^1$

素因数の和:1549

約数の個数: 72

約数和(自身を含む): 185988096

約数和(自身を除く): 107623196

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 31, 34, 50, 62, 68, 85, 100, 124, 155, 170, 310, 340, 425, 527, 620, 775, 850, 1054, 1487, 1550, 1700, 2108, 2635, 2974, 3100, 5270, 5948, 7435, 10540, 13175, 14870, 25279, 26350, 29740, 37175, 46097, 50558, 52700, 74350, 92194, 101116, 126395, 148700, 184388, 230485, 252790, 460970, 505580, 631975, 783649, 921940, 1152425, 1263950, 1567298, 2304850, 2527900, 3134596, 3918245, 4609700, 7836490, 15672980, 19591225, 39182450, 78364900]

約数ペア:

[(1, 78364900), (2, 39182450), (4, 19591225), (5, 15672980), (10, 7836490), (17, 4609700), (20, 3918245), (25, 3134596), (31, 2527900), (34, 2304850), (50, 1567298), (62, 1263950), (68, 1152425), (85, 921940), (100, 783649), (124, 631975), (155, 505580), (170, 460970), (310, 252790), (340, 230485), (425, 184388), (527, 148700), (620, 126395), (775, 101116), (850, 92194), (1054, 74350), (1487, 52700), (1550, 50558), (1700, 46097), (2108, 37175), (2635, 29740), (2974, 26350), (3100, 25279), (5270, 14870), (5948, 13175), (7435, 10540)]