262121740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1\times {\mathrm{683}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 569963520

約数和(自身を除く): 307841780

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 619, 620, 683, 1238, 1366, 2476, 2732, 3095, 3415, 6190, 6830, 12380, 13660, 19189, 21173, 38378, 42346, 76756, 84692, 95945, 105865, 191890, 211730, 383780, 422777, 423460, 845554, 1691108, 2113885, 4227770, 8455540, 13106087, 26212174, 52424348, 65530435, 131060870, 262121740]

約数ペア:

[(1, 262121740), (2, 131060870), (4, 65530435), (5, 52424348), (10, 26212174), (20, 13106087), (31, 8455540), (62, 4227770), (124, 2113885), (155, 1691108), (310, 845554), (619, 423460), (620, 422777), (683, 383780), (1238, 211730), (1366, 191890), (2476, 105865), (2732, 95945), (3095, 84692), (3415, 76756), (6190, 42346), (6830, 38378), (12380, 21173), (13660, 19189)]