208229840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28603}}^1$

素因数の和:28636

約数の個数: 80

約数和(自身を含む): 595878528

約数和(自身を除く): 387648688

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 28603, 57206, 114412, 143015, 200221, 228824, 286030, 371839, 400442, 457648, 572060, 743678, 800884, 1001105, 1144120, 1487356, 1601768, 1859195, 2002210, 2288240, 2602873, 2974712, 3203536, 3718390, 4004420, 5205746, 5949424, 7436780, 8008840, 10411492, 13014365, 14873560, 16017680, 20822984, 26028730, 29747120, 41645968, 52057460, 104114920, 208229840]

約数ペア:

[(1, 208229840), (2, 104114920), (4, 52057460), (5, 41645968), (7, 29747120), (8, 26028730), (10, 20822984), (13, 16017680), (14, 14873560), (16, 13014365), (20, 10411492), (26, 8008840), (28, 7436780), (35, 5949424), (40, 5205746), (52, 4004420), (56, 3718390), (65, 3203536), (70, 2974712), (80, 2602873), (91, 2288240), (104, 2002210), (112, 1859195), (130, 1601768), (140, 1487356), (182, 1144120), (208, 1001105), (260, 800884), (280, 743678), (364, 572060), (455, 457648), (520, 400442), (560, 371839), (728, 286030), (910, 228824), (1040, 200221), (1456, 143015), (1820, 114412), (3640, 57206), (7280, 28603)]