201213440

素因数分解:

$2^9\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1483}}^1$

素因数の和:1559

約数の個数: 80

約数和(自身を含む): 491874768

約数和(自身を除く): 290661328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 160, 212, 256, 265, 320, 424, 512, 530, 640, 848, 1060, 1280, 1483, 1696, 2120, 2560, 2966, 3392, 4240, 5932, 6784, 7415, 8480, 11864, 13568, 14830, 16960, 23728, 27136, 29660, 33920, 47456, 59320, 67840, 78599, 94912, 118640, 135680, 157198, 189824, 237280, 314396, 379648, 392995, 474560, 628792, 759296, 785990, 949120, 1257584, 1571980, 1898240, 2515168, 3143960, 3796480, 5030336, 6287920, 10060672, 12575840, 20121344, 25151680, 40242688, 50303360, 100606720, 201213440]

約数ペア:

[(1, 201213440), (2, 100606720), (4, 50303360), (5, 40242688), (8, 25151680), (10, 20121344), (16, 12575840), (20, 10060672), (32, 6287920), (40, 5030336), (53, 3796480), (64, 3143960), (80, 2515168), (106, 1898240), (128, 1571980), (160, 1257584), (212, 949120), (256, 785990), (265, 759296), (320, 628792), (424, 474560), (512, 392995), (530, 379648), (640, 314396), (848, 237280), (1060, 189824), (1280, 157198), (1483, 135680), (1696, 118640), (2120, 94912), (2560, 78599), (2966, 67840), (3392, 59320), (4240, 47456), (5932, 33920), (6784, 29660), (7415, 27136), (8480, 23728), (11864, 16960), (13568, 14830)]