308173840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{1153}}^1$

素因数の和:1436

約数の個数: 80

約数和(自身を含む): 775294128

約数和(自身を除く): 467120288

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 257, 260, 514, 520, 1028, 1040, 1153, 1285, 2056, 2306, 2570, 3341, 4112, 4612, 5140, 5765, 6682, 9224, 10280, 11530, 13364, 14989, 16705, 18448, 20560, 23060, 26728, 29978, 33410, 46120, 53456, 59956, 66820, 74945, 92240, 119912, 133640, 149890, 239824, 267280, 296321, 299780, 592642, 599560, 1185284, 1199120, 1481605, 2370568, 2963210, 3852173, 4741136, 5926420, 7704346, 11852840, 15408692, 19260865, 23705680, 30817384, 38521730, 61634768, 77043460, 154086920, 308173840]

約数ペア:

[(1, 308173840), (2, 154086920), (4, 77043460), (5, 61634768), (8, 38521730), (10, 30817384), (13, 23705680), (16, 19260865), (20, 15408692), (26, 11852840), (40, 7704346), (52, 5926420), (65, 4741136), (80, 3852173), (104, 2963210), (130, 2370568), (208, 1481605), (257, 1199120), (260, 1185284), (514, 599560), (520, 592642), (1028, 299780), (1040, 296321), (1153, 267280), (1285, 239824), (2056, 149890), (2306, 133640), (2570, 119912), (3341, 92240), (4112, 74945), (4612, 66820), (5140, 59956), (5765, 53456), (6682, 46120), (9224, 33410), (10280, 29978), (11530, 26728), (13364, 23060), (14989, 20560), (16705, 18448)]