398110440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{36457}}^1$

素因数の和:36491

約数の個数: 128

約数和(自身を含む): 1469986560

約数和(自身を除く): 1071876120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 36457, 72914, 109371, 145828, 182285, 218742, 255199, 291656, 364570, 437484, 473941, 510398, 546855, 729140, 765597, 874968, 947882, 1020796, 1093710, 1275995, 1421823, 1458280, 1531194, 1895764, 2041592, 2187420, 2369705, 2551990, 2843646, 3062388, 3317587, 3791528, 3827985, 4374840, 4739410, 5103980, 5687292, 6124776, 6635174, 7109115, 7655970, 9478820, 9952761, 10207960, 11374584, 13270348, 14218230, 15311940, 16587935, 18957640, 19905522, 26540696, 28436460, 30623880, 33175870, 39811044, 49763805, 56872920, 66351740, 79622088, 99527610, 132703480, 199055220, 398110440]

約数ペア:

[(1, 398110440), (2, 199055220), (3, 132703480), (4, 99527610), (5, 79622088), (6, 66351740), (7, 56872920), (8, 49763805), (10, 39811044), (12, 33175870), (13, 30623880), (14, 28436460), (15, 26540696), (20, 19905522), (21, 18957640), (24, 16587935), (26, 15311940), (28, 14218230), (30, 13270348), (35, 11374584), (39, 10207960), (40, 9952761), (42, 9478820), (52, 7655970), (56, 7109115), (60, 6635174), (65, 6124776), (70, 5687292), (78, 5103980), (84, 4739410), (91, 4374840), (104, 3827985), (105, 3791528), (120, 3317587), (130, 3062388), (140, 2843646), (156, 2551990), (168, 2369705), (182, 2187420), (195, 2041592), (210, 1895764), (260, 1531194), (273, 1458280), (280, 1421823), (312, 1275995), (364, 1093710), (390, 1020796), (420, 947882), (455, 874968), (520, 765597), (546, 729140), (728, 546855), (780, 510398), (840, 473941), (910, 437484), (1092, 364570), (1365, 291656), (1560, 255199), (1820, 218742), (2184, 182285), (2730, 145828), (3640, 109371), (5460, 72914), (10920, 36457)]