287339780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:334

約数の個数: 192

約数和(自身を含む): 810819072

約数和(自身を除く): 523479292

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 37, 52, 65, 68, 70, 74, 85, 91, 119, 130, 140, 148, 170, 182, 185, 221, 238, 251, 259, 260, 340, 364, 370, 442, 455, 476, 481, 502, 518, 595, 629, 740, 884, 910, 962, 1004, 1036, 1105, 1190, 1255, 1258, 1295, 1547, 1757, 1820, 1924, 2210, 2380, 2405, 2510, 2516, 2590, 3094, 3145, 3263, 3367, 3514, 4267, 4403, 4420, 4810, 5020, 5180, 6188, 6290, 6526, 6734, 7028, 7735, 8177, 8534, 8785, 8806, 9287, 9620, 12580, 13052, 13468, 15470, 16315, 16354, 16835, 17068, 17570, 17612, 18574, 21335, 22015, 22841, 29869, 30940, 32630, 32708, 33670, 35140, 37148, 40885, 42670, 44030, 45682, 46435, 55471, 57239, 59738, 65009, 65260, 67340, 81770, 85340, 88060, 91364, 92870, 110942, 114205, 114478, 119476, 120731, 130018, 149345, 157879, 163540, 185740, 221884, 228410, 228956, 241462, 260036, 277355, 286195, 298690, 315758, 325045, 388297, 456820, 482924, 554710, 572390, 597380, 603655, 631516, 650090, 776594, 789395, 845117, 1105153, 1109420, 1144780, 1207310, 1300180, 1553188, 1578790, 1690234, 1941485, 2052427, 2210306, 2414620, 3157580, 3380468, 3882970, 4104854, 4225585, 4420612, 5525765, 7765940, 8209708, 8451170, 10262135, 11051530, 14366989, 16902340, 20524270, 22103060, 28733978, 41048540, 57467956, 71834945, 143669890, 287339780]

約数ペア:

[(1, 287339780), (2, 143669890), (4, 71834945), (5, 57467956), (7, 41048540), (10, 28733978), (13, 22103060), (14, 20524270), (17, 16902340), (20, 14366989), (26, 11051530), (28, 10262135), (34, 8451170), (35, 8209708), (37, 7765940), (52, 5525765), (65, 4420612), (68, 4225585), (70, 4104854), (74, 3882970), (85, 3380468), (91, 3157580), (119, 2414620), (130, 2210306), (140, 2052427), (148, 1941485), (170, 1690234), (182, 1578790), (185, 1553188), (221, 1300180), (238, 1207310), (251, 1144780), (259, 1109420), (260, 1105153), (340, 845117), (364, 789395), (370, 776594), (442, 650090), (455, 631516), (476, 603655), (481, 597380), (502, 572390), (518, 554710), (595, 482924), (629, 456820), (740, 388297), (884, 325045), (910, 315758), (962, 298690), (1004, 286195), (1036, 277355), (1105, 260036), (1190, 241462), (1255, 228956), (1258, 228410), (1295, 221884), (1547, 185740), (1757, 163540), (1820, 157879), (1924, 149345), (2210, 130018), (2380, 120731), (2405, 119476), (2510, 114478), (2516, 114205), (2590, 110942), (3094, 92870), (3145, 91364), (3263, 88060), (3367, 85340), (3514, 81770), (4267, 67340), (4403, 65260), (4420, 65009), (4810, 59738), (5020, 57239), (5180, 55471), (6188, 46435), (6290, 45682), (6526, 44030), (6734, 42670), (7028, 40885), (7735, 37148), (8177, 35140), (8534, 33670), (8785, 32708), (8806, 32630), (9287, 30940), (9620, 29869), (12580, 22841), (13052, 22015), (13468, 21335), (15470, 18574), (16315, 17612), (16354, 17570), (16835, 17068)]