308750960

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{997}}^1$

素因数の和:1103

約数の個数: 120

約数和(自身を含む): 846463680

約数和(自身を除く): 537712720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 79, 80, 98, 112, 140, 158, 196, 245, 280, 316, 392, 395, 490, 553, 560, 632, 784, 790, 980, 997, 1106, 1264, 1580, 1960, 1994, 2212, 2765, 3160, 3871, 3920, 3988, 4424, 4985, 5530, 6320, 6979, 7742, 7976, 8848, 9970, 11060, 13958, 15484, 15952, 19355, 19940, 22120, 27916, 30968, 34895, 38710, 39880, 44240, 48853, 55832, 61936, 69790, 77420, 78763, 79760, 97706, 111664, 139580, 154840, 157526, 195412, 244265, 279160, 309680, 315052, 390824, 393815, 488530, 551341, 558320, 630104, 781648, 787630, 977060, 1102682, 1260208, 1575260, 1954120, 2205364, 2756705, 3150520, 3859387, 3908240, 4410728, 5513410, 6301040, 7718774, 8821456, 11026820, 15437548, 19296935, 22053640, 30875096, 38593870, 44107280, 61750192, 77187740, 154375480, 308750960]

約数ペア:

[(1, 308750960), (2, 154375480), (4, 77187740), (5, 61750192), (7, 44107280), (8, 38593870), (10, 30875096), (14, 22053640), (16, 19296935), (20, 15437548), (28, 11026820), (35, 8821456), (40, 7718774), (49, 6301040), (56, 5513410), (70, 4410728), (79, 3908240), (80, 3859387), (98, 3150520), (112, 2756705), (140, 2205364), (158, 1954120), (196, 1575260), (245, 1260208), (280, 1102682), (316, 977060), (392, 787630), (395, 781648), (490, 630104), (553, 558320), (560, 551341), (632, 488530), (784, 393815), (790, 390824), (980, 315052), (997, 309680), (1106, 279160), (1264, 244265), (1580, 195412), (1960, 157526), (1994, 154840), (2212, 139580), (2765, 111664), (3160, 97706), (3871, 79760), (3920, 78763), (3988, 77420), (4424, 69790), (4985, 61936), (5530, 55832), (6320, 48853), (6979, 44240), (7742, 39880), (7976, 38710), (8848, 34895), (9970, 30968), (11060, 27916), (13958, 22120), (15484, 19940), (15952, 19355)]