401174720

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1093}}^1$

素因数の和:1178

約数の個数: 112

約数和(自身を含む): 1013691648

約数和(自身を除く): 612516928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 37, 40, 62, 64, 74, 80, 124, 148, 155, 160, 185, 248, 296, 310, 320, 370, 496, 592, 620, 740, 992, 1093, 1147, 1184, 1240, 1480, 1984, 2186, 2294, 2368, 2480, 2960, 4372, 4588, 4960, 5465, 5735, 5920, 8744, 9176, 9920, 10930, 11470, 11840, 17488, 18352, 21860, 22940, 33883, 34976, 36704, 40441, 43720, 45880, 67766, 69952, 73408, 80882, 87440, 91760, 135532, 161764, 169415, 174880, 183520, 202205, 271064, 323528, 338830, 349760, 367040, 404410, 542128, 647056, 677660, 808820, 1084256, 1253671, 1294112, 1355320, 1617640, 2168512, 2507342, 2588224, 2710640, 3235280, 5014684, 5421280, 6268355, 6470560, 10029368, 10842560, 12536710, 12941120, 20058736, 25073420, 40117472, 50146840, 80234944, 100293680, 200587360, 401174720]

約数ペア:

[(1, 401174720), (2, 200587360), (4, 100293680), (5, 80234944), (8, 50146840), (10, 40117472), (16, 25073420), (20, 20058736), (31, 12941120), (32, 12536710), (37, 10842560), (40, 10029368), (62, 6470560), (64, 6268355), (74, 5421280), (80, 5014684), (124, 3235280), (148, 2710640), (155, 2588224), (160, 2507342), (185, 2168512), (248, 1617640), (296, 1355320), (310, 1294112), (320, 1253671), (370, 1084256), (496, 808820), (592, 677660), (620, 647056), (740, 542128), (992, 404410), (1093, 367040), (1147, 349760), (1184, 338830), (1240, 323528), (1480, 271064), (1984, 202205), (2186, 183520), (2294, 174880), (2368, 169415), (2480, 161764), (2960, 135532), (4372, 91760), (4588, 87440), (4960, 80882), (5465, 73408), (5735, 69952), (5920, 67766), (8744, 45880), (9176, 43720), (9920, 40441), (10930, 36704), (11470, 34976), (11840, 33883), (17488, 22940), (18352, 21860)]