193697920

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{751}}^1$

素因数の和:814

約数の個数: 128

約数和(自身を含む): 515450880

約数和(自身を除く): 321752960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 640, 751, 806, 832, 992, 1040, 1240, 1502, 1612, 1664, 1984, 2015, 2080, 2480, 3004, 3224, 3755, 3968, 4030, 4160, 4960, 6008, 6448, 7510, 8060, 8320, 9763, 9920, 12016, 12896, 15020, 16120, 19526, 19840, 23281, 24032, 25792, 30040, 32240, 39052, 46562, 48064, 48815, 51584, 60080, 64480, 78104, 93124, 96128, 97630, 116405, 120160, 128960, 156208, 186248, 195260, 232810, 240320, 257920, 302653, 312416, 372496, 390520, 465620, 480640, 605306, 624832, 744992, 781040, 931240, 1210612, 1249664, 1489984, 1513265, 1562080, 1862480, 2421224, 2979968, 3026530, 3124160, 3724960, 4842448, 6053060, 6248320, 7449920, 9684896, 12106120, 14899840, 19369792, 24212240, 38739584, 48424480, 96848960, 193697920]

約数ペア:

[(1, 193697920), (2, 96848960), (4, 48424480), (5, 38739584), (8, 24212240), (10, 19369792), (13, 14899840), (16, 12106120), (20, 9684896), (26, 7449920), (31, 6248320), (32, 6053060), (40, 4842448), (52, 3724960), (62, 3124160), (64, 3026530), (65, 2979968), (80, 2421224), (104, 1862480), (124, 1562080), (128, 1513265), (130, 1489984), (155, 1249664), (160, 1210612), (208, 931240), (248, 781040), (260, 744992), (310, 624832), (320, 605306), (403, 480640), (416, 465620), (496, 390520), (520, 372496), (620, 312416), (640, 302653), (751, 257920), (806, 240320), (832, 232810), (992, 195260), (1040, 186248), (1240, 156208), (1502, 128960), (1612, 120160), (1664, 116405), (1984, 97630), (2015, 96128), (2080, 93124), (2480, 78104), (3004, 64480), (3224, 60080), (3755, 51584), (3968, 48815), (4030, 48064), (4160, 46562), (4960, 39052), (6008, 32240), (6448, 30040), (7510, 25792), (8060, 24032), (8320, 23281), (9763, 19840), (9920, 19526), (12016, 16120), (12896, 15020)]