289307590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{659}}^1$

素因数の和:997

約数の個数: 64

約数和(自身を含む): 614718720

約数和(自身を除く): 325411130

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 307, 614, 659, 715, 1318, 1430, 1535, 3070, 3295, 3377, 3991, 6590, 6754, 7249, 7982, 8567, 14498, 16885, 17134, 19955, 33770, 36245, 39910, 42835, 43901, 72490, 85670, 87802, 94237, 188474, 202313, 219505, 404626, 439010, 471185, 942370, 1011565, 2023130, 2225443, 2630069, 4450886, 5260138, 11127215, 13150345, 22254430, 26300690, 28930759, 57861518, 144653795, 289307590]

約数ペア:

[(1, 289307590), (2, 144653795), (5, 57861518), (10, 28930759), (11, 26300690), (13, 22254430), (22, 13150345), (26, 11127215), (55, 5260138), (65, 4450886), (110, 2630069), (130, 2225443), (143, 2023130), (286, 1011565), (307, 942370), (614, 471185), (659, 439010), (715, 404626), (1318, 219505), (1430, 202313), (1535, 188474), (3070, 94237), (3295, 87802), (3377, 85670), (3991, 72490), (6590, 43901), (6754, 42835), (7249, 39910), (7982, 36245), (8567, 33770), (14498, 19955), (16885, 17134)]