30778930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:403

約数の個数: 64

約数和(自身を含む): 68947200

約数和(自身を除く): 38168270

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 149, 182, 227, 298, 454, 455, 745, 910, 1043, 1135, 1490, 1589, 1937, 2086, 2270, 2951, 3178, 3874, 5215, 5902, 7945, 9685, 10430, 13559, 14755, 15890, 19370, 20657, 27118, 29510, 33823, 41314, 67646, 67795, 103285, 135590, 169115, 206570, 236761, 338230, 439699, 473522, 879398, 1183805, 2198495, 2367610, 3077893, 4396990, 6155786, 15389465, 30778930]

約数ペア:

[(1, 30778930), (2, 15389465), (5, 6155786), (7, 4396990), (10, 3077893), (13, 2367610), (14, 2198495), (26, 1183805), (35, 879398), (65, 473522), (70, 439699), (91, 338230), (130, 236761), (149, 206570), (182, 169115), (227, 135590), (298, 103285), (454, 67795), (455, 67646), (745, 41314), (910, 33823), (1043, 29510), (1135, 27118), (1490, 20657), (1589, 19370), (1937, 15890), (2086, 14755), (2270, 13559), (2951, 10430), (3178, 9685), (3874, 7945), (5215, 5902)]