186326540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:375

約数の個数: 72

約数和(自身を含む): 418228272

約数和(自身を除く): 231901732

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 131, 190, 197, 262, 361, 380, 394, 524, 655, 722, 788, 985, 1310, 1444, 1805, 1970, 2489, 2620, 3610, 3743, 3940, 4978, 7220, 7486, 9956, 12445, 14972, 18715, 24890, 25807, 37430, 47291, 49780, 51614, 71117, 74860, 94582, 103228, 129035, 142234, 189164, 236455, 258070, 284468, 355585, 472910, 490333, 516140, 711170, 945820, 980666, 1422340, 1961332, 2451665, 4903330, 9316327, 9806660, 18632654, 37265308, 46581635, 93163270, 186326540]

約数ペア:

[(1, 186326540), (2, 93163270), (4, 46581635), (5, 37265308), (10, 18632654), (19, 9806660), (20, 9316327), (38, 4903330), (76, 2451665), (95, 1961332), (131, 1422340), (190, 980666), (197, 945820), (262, 711170), (361, 516140), (380, 490333), (394, 472910), (524, 355585), (655, 284468), (722, 258070), (788, 236455), (985, 189164), (1310, 142234), (1444, 129035), (1805, 103228), (1970, 94582), (2489, 74860), (2620, 71117), (3610, 51614), (3743, 49780), (3940, 47291), (4978, 37430), (7220, 25807), (7486, 24890), (9956, 18715), (12445, 14972)]