223545640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 539450280

約数和(自身を除く): 315904640

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 113, 137, 152, 190, 226, 274, 361, 380, 452, 548, 565, 685, 722, 760, 904, 1096, 1130, 1370, 1444, 1805, 2147, 2260, 2603, 2740, 2888, 3610, 4294, 4520, 5206, 5480, 7220, 8588, 10412, 10735, 13015, 14440, 15481, 17176, 20824, 21470, 26030, 30962, 40793, 42940, 49457, 52060, 61924, 77405, 81586, 85880, 98914, 104120, 123848, 154810, 163172, 197828, 203965, 247285, 294139, 309620, 326344, 395656, 407930, 494570, 588278, 619240, 815860, 989140, 1176556, 1470695, 1631720, 1978280, 2353112, 2941390, 5588641, 5882780, 11177282, 11765560, 22354564, 27943205, 44709128, 55886410, 111772820, 223545640]

約数ペア:

[(1, 223545640), (2, 111772820), (4, 55886410), (5, 44709128), (8, 27943205), (10, 22354564), (19, 11765560), (20, 11177282), (38, 5882780), (40, 5588641), (76, 2941390), (95, 2353112), (113, 1978280), (137, 1631720), (152, 1470695), (190, 1176556), (226, 989140), (274, 815860), (361, 619240), (380, 588278), (452, 494570), (548, 407930), (565, 395656), (685, 326344), (722, 309620), (760, 294139), (904, 247285), (1096, 203965), (1130, 197828), (1370, 163172), (1444, 154810), (1805, 123848), (2147, 104120), (2260, 98914), (2603, 85880), (2740, 81586), (2888, 77405), (3610, 61924), (4294, 52060), (4520, 49457), (5206, 42940), (5480, 40793), (7220, 30962), (8588, 26030), (10412, 21470), (10735, 20824), (13015, 17176), (14440, 15481)]