311942.00000000

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 86153760

約数和(自身を除く): 50983820

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 73, 85, 109, 130, 146, 170, 218, 221, 260, 292, 340, 365, 436, 442, 545, 730, 884, 949, 1090, 1105, 1241, 1417, 1460, 1853, 1898, 2180, 2210, 2482, 2834, 3706, 3796, 4420, 4745, 4964, 5668, 6205, 7085, 7412, 7957, 9265, 9490, 12410, 14170, 15914, 16133, 18530, 18980, 24089, 24820, 28340, 31828, 32266, 37060, 39785, 48178, 64532, 79570, 80665, 96356, 103441, 120445, 135269, 159140, 161330, 206882, 240890, 270538, 322660, 413764, 481780, 517205, 541076, 676345, 1034410, 1352690, 1758497, 2068820, 2705380, 3516994, 7033988, 8792485, 17584970, 35169940]

約数ペア:

[(1, 35169940), (2, 17584970), (4, 8792485), (5, 7033988), (10, 3516994), (13, 2705380), (17, 2068820), (20, 1758497), (26, 1352690), (34, 1034410), (52, 676345), (65, 541076), (68, 517205), (73, 481780), (85, 413764), (109, 322660), (130, 270538), (146, 240890), (170, 206882), (218, 161330), (221, 159140), (260, 135269), (292, 120445), (340, 103441), (365, 96356), (436, 80665), (442, 79570), (545, 64532), (730, 48178), (884, 39785), (949, 37060), (1090, 32266), (1105, 31828), (1241, 28340), (1417, 24820), (1460, 24089), (1853, 18980), (1898, 18530), (2180, 16133), (2210, 15914), (2482, 14170), (2834, 12410), (3706, 9490), (3796, 9265), (4420, 7957), (4745, 7412), (4964, 7085), (5668, 6205)]