205095380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:254

約数の個数: 144

約数和(自身を含む): 532578816

約数和(自身を除く): 327483436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 43, 49, 62, 70, 86, 98, 124, 140, 155, 157, 172, 196, 215, 217, 245, 301, 310, 314, 430, 434, 490, 602, 620, 628, 785, 860, 868, 980, 1085, 1099, 1204, 1333, 1505, 1519, 1570, 2107, 2170, 2198, 2666, 3010, 3038, 3140, 4214, 4340, 4396, 4867, 5332, 5495, 6020, 6076, 6665, 6751, 7595, 7693, 8428, 9331, 9734, 10535, 10990, 13330, 13502, 15190, 15386, 18662, 19468, 21070, 21980, 24335, 26660, 27004, 30380, 30772, 33755, 34069, 37324, 38465, 42140, 46655, 47257, 48670, 65317, 67510, 68138, 76930, 93310, 94514, 97340, 130634, 135020, 136276, 153860, 170345, 186620, 189028, 209281, 236285, 238483, 261268, 326585, 330799, 340690, 418562, 472570, 476966, 653170, 661598, 681380, 837124, 945140, 953932, 1046405, 1192415, 1306340, 1323196, 1464967, 1653995, 2092810, 2384830, 2929934, 3307990, 4185620, 4769660, 5859868, 6615980, 7324835, 10254769, 14649670, 20509538, 29299340, 41019076, 51273845, 102547690, 205095380]

約数ペア:

[(1, 205095380), (2, 102547690), (4, 51273845), (5, 41019076), (7, 29299340), (10, 20509538), (14, 14649670), (20, 10254769), (28, 7324835), (31, 6615980), (35, 5859868), (43, 4769660), (49, 4185620), (62, 3307990), (70, 2929934), (86, 2384830), (98, 2092810), (124, 1653995), (140, 1464967), (155, 1323196), (157, 1306340), (172, 1192415), (196, 1046405), (215, 953932), (217, 945140), (245, 837124), (301, 681380), (310, 661598), (314, 653170), (430, 476966), (434, 472570), (490, 418562), (602, 340690), (620, 330799), (628, 326585), (785, 261268), (860, 238483), (868, 236285), (980, 209281), (1085, 189028), (1099, 186620), (1204, 170345), (1333, 153860), (1505, 136276), (1519, 135020), (1570, 130634), (2107, 97340), (2170, 94514), (2198, 93310), (2666, 76930), (3010, 68138), (3038, 67510), (3140, 65317), (4214, 48670), (4340, 47257), (4396, 46655), (4867, 42140), (5332, 38465), (5495, 37324), (6020, 34069), (6076, 33755), (6665, 30772), (6751, 30380), (7595, 27004), (7693, 26660), (8428, 24335), (9331, 21980), (9734, 21070), (10535, 19468), (10990, 18662), (13330, 15386), (13502, 15190)]