220195976

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:955

約数の個数: 128

約数和(自身を含む): 572866560

約数和(自身を除く): 352670584

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 31, 44, 52, 56, 62, 77, 88, 91, 104, 124, 143, 154, 182, 217, 248, 286, 308, 341, 364, 403, 434, 572, 616, 682, 728, 806, 868, 887, 1001, 1144, 1364, 1612, 1736, 1774, 2002, 2387, 2728, 2821, 3224, 3548, 4004, 4433, 4774, 5642, 6209, 7096, 8008, 8866, 9548, 9757, 11284, 11531, 12418, 17732, 19096, 19514, 22568, 23062, 24836, 27497, 31031, 35464, 39028, 46124, 49672, 54994, 62062, 68299, 78056, 80717, 92248, 109988, 124124, 126841, 136598, 161434, 192479, 219976, 248248, 253682, 273196, 302467, 322868, 357461, 384958, 507364, 546392, 604934, 645736, 714922, 769916, 887887, 1014728, 1209868, 1429844, 1539832, 1775774, 2117269, 2419736, 2502227, 2859688, 3551548, 3932071, 4234538, 5004454, 7103096, 7864142, 8469076, 10008908, 15728284, 16938152, 20017816, 27524497, 31456568, 55048994, 110097988, 220195976]

約数ペア:

[(1, 220195976), (2, 110097988), (4, 55048994), (7, 31456568), (8, 27524497), (11, 20017816), (13, 16938152), (14, 15728284), (22, 10008908), (26, 8469076), (28, 7864142), (31, 7103096), (44, 5004454), (52, 4234538), (56, 3932071), (62, 3551548), (77, 2859688), (88, 2502227), (91, 2419736), (104, 2117269), (124, 1775774), (143, 1539832), (154, 1429844), (182, 1209868), (217, 1014728), (248, 887887), (286, 769916), (308, 714922), (341, 645736), (364, 604934), (403, 546392), (434, 507364), (572, 384958), (616, 357461), (682, 322868), (728, 302467), (806, 273196), (868, 253682), (887, 248248), (1001, 219976), (1144, 192479), (1364, 161434), (1612, 136598), (1736, 126841), (1774, 124124), (2002, 109988), (2387, 92248), (2728, 80717), (2821, 78056), (3224, 68299), (3548, 62062), (4004, 54994), (4433, 49672), (4774, 46124), (5642, 39028), (6209, 35464), (7096, 31031), (8008, 27497), (8866, 24836), (9548, 23062), (9757, 22568), (11284, 19514), (11531, 19096), (12418, 17732)]