28745340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{269}}^1$

素因数の和:431

約数の個数: 96

約数和(自身を含む): 87635520

約数和(自身を除く): 58890180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 137, 156, 195, 260, 269, 274, 390, 411, 538, 548, 685, 780, 807, 822, 1076, 1345, 1370, 1614, 1644, 1781, 2055, 2690, 2740, 3228, 3497, 3562, 4035, 4110, 5343, 5380, 6994, 7124, 8070, 8220, 8905, 10491, 10686, 13988, 16140, 17485, 17810, 20982, 21372, 26715, 34970, 35620, 36853, 41964, 52455, 53430, 69940, 73706, 104910, 106860, 110559, 147412, 184265, 209820, 221118, 368530, 442236, 479089, 552795, 737060, 958178, 1105590, 1437267, 1916356, 2211180, 2395445, 2874534, 4790890, 5749068, 7186335, 9581780, 14372670, 28745340]

約数ペア:

[(1, 28745340), (2, 14372670), (3, 9581780), (4, 7186335), (5, 5749068), (6, 4790890), (10, 2874534), (12, 2395445), (13, 2211180), (15, 1916356), (20, 1437267), (26, 1105590), (30, 958178), (39, 737060), (52, 552795), (60, 479089), (65, 442236), (78, 368530), (130, 221118), (137, 209820), (156, 184265), (195, 147412), (260, 110559), (269, 106860), (274, 104910), (390, 73706), (411, 69940), (538, 53430), (548, 52455), (685, 41964), (780, 36853), (807, 35620), (822, 34970), (1076, 26715), (1345, 21372), (1370, 20982), (1614, 17810), (1644, 17485), (1781, 16140), (2055, 13988), (2690, 10686), (2740, 10491), (3228, 8905), (3497, 8220), (3562, 8070), (4035, 7124), (4110, 6994), (5343, 5380)]