488285980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{38327}}^1$

素因数の和:38363

約数の個数: 72

約数和(自身を含む): 1284601248

約数和(自身を除く): 796315268

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1274, 1820, 2548, 3185, 6370, 12740, 38327, 76654, 153308, 191635, 268289, 383270, 498251, 536578, 766540, 996502, 1073156, 1341445, 1878023, 1993004, 2491255, 2682890, 3487757, 3756046, 4982510, 5365780, 6975514, 7512092, 9390115, 9965020, 13951028, 17438785, 18780230, 24414299, 34877570, 37560460, 48828598, 69755140, 97657196, 122071495, 244142990, 488285980]

約数ペア:

[(1, 488285980), (2, 244142990), (4, 122071495), (5, 97657196), (7, 69755140), (10, 48828598), (13, 37560460), (14, 34877570), (20, 24414299), (26, 18780230), (28, 17438785), (35, 13951028), (49, 9965020), (52, 9390115), (65, 7512092), (70, 6975514), (91, 5365780), (98, 4982510), (130, 3756046), (140, 3487757), (182, 2682890), (196, 2491255), (245, 1993004), (260, 1878023), (364, 1341445), (455, 1073156), (490, 996502), (637, 766540), (910, 536578), (980, 498251), (1274, 383270), (1820, 268289), (2548, 191635), (3185, 153308), (6370, 76654), (12740, 38327)]