219502920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20101}}^1$

素因数の和:20135

約数の個数: 128

約数和(自身を含む): 810512640

約数和(自身を除く): 591009720

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, 20101, 40202, 60303, 80404, 100505, 120606, 140707, 160808, 201010, 241212, 261313, 281414, 301515, 402020, 422121, 482424, 522626, 562828, 603030, 703535, 783939, 804040, 844242, 1045252, 1125656, 1206060, 1306565, 1407070, 1567878, 1688484, 1829191, 2090504, 2110605, 2412120, 2613130, 2814140, 3135756, 3376968, 3658382, 3919695, 4221210, 5226260, 5487573, 5628280, 6271512, 7316764, 7839390, 8442420, 9145955, 10452520, 10975146, 14633528, 15678780, 16884840, 18291910, 21950292, 27437865, 31357560, 36583820, 43900584, 54875730, 73167640, 109751460, 219502920]

約数ペア:

[(1, 219502920), (2, 109751460), (3, 73167640), (4, 54875730), (5, 43900584), (6, 36583820), (7, 31357560), (8, 27437865), (10, 21950292), (12, 18291910), (13, 16884840), (14, 15678780), (15, 14633528), (20, 10975146), (21, 10452520), (24, 9145955), (26, 8442420), (28, 7839390), (30, 7316764), (35, 6271512), (39, 5628280), (40, 5487573), (42, 5226260), (52, 4221210), (56, 3919695), (60, 3658382), (65, 3376968), (70, 3135756), (78, 2814140), (84, 2613130), (91, 2412120), (104, 2110605), (105, 2090504), (120, 1829191), (130, 1688484), (140, 1567878), (156, 1407070), (168, 1306565), (182, 1206060), (195, 1125656), (210, 1045252), (260, 844242), (273, 804040), (280, 783939), (312, 703535), (364, 603030), (390, 562828), (420, 522626), (455, 482424), (520, 422121), (546, 402020), (728, 301515), (780, 281414), (840, 261313), (910, 241212), (1092, 201010), (1365, 160808), (1560, 140707), (1820, 120606), (2184, 100505), (2730, 80404), (3640, 60303), (5460, 40202), (10920, 20101)]