38740810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 77760000

約数和(自身を除く): 39019190

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 79, 89, 95, 145, 158, 178, 190, 290, 395, 445, 551, 790, 890, 1102, 1501, 1691, 2291, 2581, 2755, 3002, 3382, 4582, 5162, 5510, 7031, 7505, 8455, 11455, 12905, 14062, 15010, 16910, 22910, 25810, 35155, 43529, 49039, 70310, 87058, 98078, 133589, 203899, 217645, 245195, 267178, 407798, 435290, 490390, 667945, 1019495, 1335890, 2038990, 3874081, 7748162, 19370405, 38740810]

約数ペア:

[(1, 38740810), (2, 19370405), (5, 7748162), (10, 3874081), (19, 2038990), (29, 1335890), (38, 1019495), (58, 667945), (79, 490390), (89, 435290), (95, 407798), (145, 267178), (158, 245195), (178, 217645), (190, 203899), (290, 133589), (395, 98078), (445, 87058), (551, 70310), (790, 49039), (890, 43529), (1102, 35155), (1501, 25810), (1691, 22910), (2291, 16910), (2581, 15010), (2755, 14062), (3002, 12905), (3382, 11455), (4582, 8455), (5162, 7505), (5510, 7031)]