72970210

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{503}}^1$

素因数の和:762

約数の個数: 32

約数和(自身を含む): 133902720

約数和(自身を除く): 60932510

約数列:

[1, 2, 5, 10, 89, 163, 178, 326, 445, 503, 815, 890, 1006, 1630, 2515, 5030, 14507, 29014, 44767, 72535, 81989, 89534, 145070, 163978, 223835, 409945, 447670, 819890, 7297021, 14594042, 36485105, 72970210]

約数ペア:

[(1, 72970210), (2, 36485105), (5, 14594042), (10, 7297021), (89, 819890), (163, 447670), (178, 409945), (326, 223835), (445, 163978), (503, 145070), (815, 89534), (890, 81989), (1006, 72535), (1630, 44767), (2515, 29014), (5030, 14507)]