190998990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23321}}^1$

素因数の和:23354

約数の個数: 96

約数和(自身を含む): 611222976

約数和(自身を除く): 420223986

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 63, 65, 70, 78, 90, 91, 105, 117, 126, 130, 182, 195, 210, 234, 273, 315, 390, 455, 546, 585, 630, 819, 910, 1170, 1365, 1638, 2730, 4095, 8190, 23321, 46642, 69963, 116605, 139926, 163247, 209889, 233210, 303173, 326494, 349815, 419778, 489741, 606346, 699630, 816235, 909519, 979482, 1049445, 1469223, 1515865, 1632470, 1819038, 2098890, 2122211, 2448705, 2728557, 2938446, 3031730, 4244422, 4547595, 4897410, 5457114, 6366633, 7346115, 9095190, 10611055, 12733266, 13642785, 14692230, 19099899, 21222110, 27285570, 31833165, 38199798, 63666330, 95499495, 190998990]

約数ペア:

[(1, 190998990), (2, 95499495), (3, 63666330), (5, 38199798), (6, 31833165), (7, 27285570), (9, 21222110), (10, 19099899), (13, 14692230), (14, 13642785), (15, 12733266), (18, 10611055), (21, 9095190), (26, 7346115), (30, 6366633), (35, 5457114), (39, 4897410), (42, 4547595), (45, 4244422), (63, 3031730), (65, 2938446), (70, 2728557), (78, 2448705), (90, 2122211), (91, 2098890), (105, 1819038), (117, 1632470), (126, 1515865), (130, 1469223), (182, 1049445), (195, 979482), (210, 909519), (234, 816235), (273, 699630), (315, 606346), (390, 489741), (455, 419778), (546, 349815), (585, 326494), (630, 303173), (819, 233210), (910, 209889), (1170, 163247), (1365, 139926), (1638, 116605), (2730, 69963), (4095, 46642), (8190, 23321)]