64241090

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 128304000

約数和(自身を除く): 64062910

約数列:

[1, 2, 5, 10, 19, 29, 38, 58, 89, 95, 131, 145, 178, 190, 262, 290, 445, 551, 655, 890, 1102, 1310, 1691, 2489, 2581, 2755, 3382, 3799, 4978, 5162, 5510, 7598, 8455, 11659, 12445, 12905, 16910, 18995, 23318, 24890, 25810, 37990, 49039, 58295, 72181, 98078, 116590, 144362, 221521, 245195, 338111, 360905, 443042, 490390, 676222, 721810, 1107605, 1690555, 2215210, 3381110, 6424109, 12848218, 32120545, 64241090]

約数ペア:

[(1, 64241090), (2, 32120545), (5, 12848218), (10, 6424109), (19, 3381110), (29, 2215210), (38, 1690555), (58, 1107605), (89, 721810), (95, 676222), (131, 490390), (145, 443042), (178, 360905), (190, 338111), (262, 245195), (290, 221521), (445, 144362), (551, 116590), (655, 98078), (890, 72181), (1102, 58295), (1310, 49039), (1691, 37990), (2489, 25810), (2581, 24890), (2755, 23318), (3382, 18995), (3799, 16910), (4978, 12905), (5162, 12445), (5510, 11659), (7598, 8455)]