206656540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1$

素因数の和:443

約数の個数: 96

約数和(自身を含む): 481904640

約数和(自身を除く): 275248100

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 53, 62, 76, 95, 106, 124, 155, 190, 212, 265, 310, 331, 380, 530, 589, 620, 662, 1007, 1060, 1178, 1324, 1643, 1655, 2014, 2356, 2945, 3286, 3310, 4028, 5035, 5890, 6289, 6572, 6620, 8215, 10070, 10261, 11780, 12578, 16430, 17543, 20140, 20522, 25156, 31217, 31445, 32860, 35086, 41044, 51305, 62434, 62890, 70172, 87715, 102610, 124868, 125780, 156085, 175430, 194959, 205220, 312170, 333317, 350860, 389918, 543833, 624340, 666634, 779836, 974795, 1087666, 1333268, 1666585, 1949590, 2175332, 2719165, 3333170, 3899180, 5438330, 6666340, 10332827, 10876660, 20665654, 41331308, 51664135, 103328270, 206656540]

約数ペア:

[(1, 206656540), (2, 103328270), (4, 51664135), (5, 41331308), (10, 20665654), (19, 10876660), (20, 10332827), (31, 6666340), (38, 5438330), (53, 3899180), (62, 3333170), (76, 2719165), (95, 2175332), (106, 1949590), (124, 1666585), (155, 1333268), (190, 1087666), (212, 974795), (265, 779836), (310, 666634), (331, 624340), (380, 543833), (530, 389918), (589, 350860), (620, 333317), (662, 312170), (1007, 205220), (1060, 194959), (1178, 175430), (1324, 156085), (1643, 125780), (1655, 124868), (2014, 102610), (2356, 87715), (2945, 70172), (3286, 62890), (3310, 62434), (4028, 51305), (5035, 41044), (5890, 35086), (6289, 32860), (6572, 31445), (6620, 31217), (8215, 25156), (10070, 20522), (10261, 20140), (11780, 17543), (12578, 16430)]