278840394826

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^3\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1993}}^1$

素因数の和:2137

約数の個数: 128

約数和(自身を含む): 532189347840

約数和(自身を除く): 253348953014

約数列:

[1, 2, 7, 14, 19, 31, 38, 47, 62, 94, 133, 217, 266, 329, 361, 434, 589, 658, 722, 893, 1178, 1457, 1786, 1993, 2527, 2914, 3986, 4123, 5054, 6251, 6859, 8246, 10199, 11191, 12502, 13718, 13951, 16967, 20398, 22382, 27683, 27902, 33934, 37867, 48013, 55366, 61783, 75734, 78337, 93671, 96026, 118769, 123566, 156674, 187342, 193781, 212629, 237538, 265069, 322373, 387562, 425258, 432481, 525977, 530138, 644746, 655697, 719473, 864962, 1051954, 1173877, 1311394, 1438946, 1488403, 1779749, 2256611, 2347754, 2903801, 2976806, 3559498, 3681839, 4513222, 5036311, 5807602, 7363678, 8217139, 9993563, 10072622, 12458243, 13669987, 16434278, 19987126, 20326607, 22303663, 24916486, 27339974, 33815231, 40653214, 44607326, 55172219, 67630462, 69954941, 95689909, 110344438, 139909882, 156125641, 191379818, 236706617, 312251282, 386205533, 423769597, 473413234, 642489389, 772411066, 847539194, 1048272161, 1284978778, 2096544322, 2966387179, 4497425723, 5932774358, 7337905127, 8994851446, 14675810254, 19917171059, 39834342118, 139420197413, 278840394826]

約数ペア:

[(1, 278840394826), (2, 139420197413), (7, 39834342118), (14, 19917171059), (19, 14675810254), (31, 8994851446), (38, 7337905127), (47, 5932774358), (62, 4497425723), (94, 2966387179), (133, 2096544322), (217, 1284978778), (266, 1048272161), (329, 847539194), (361, 772411066), (434, 642489389), (589, 473413234), (658, 423769597), (722, 386205533), (893, 312251282), (1178, 236706617), (1457, 191379818), (1786, 156125641), (1993, 139909882), (2527, 110344438), (2914, 95689909), (3986, 69954941), (4123, 67630462), (5054, 55172219), (6251, 44607326), (6859, 40653214), (8246, 33815231), (10199, 27339974), (11191, 24916486), (12502, 22303663), (13718, 20326607), (13951, 19987126), (16967, 16434278), (20398, 13669987), (22382, 12458243), (27683, 10072622), (27902, 9993563), (33934, 8217139), (37867, 7363678), (48013, 5807602), (55366, 5036311), (61783, 4513222), (75734, 3681839), (78337, 3559498), (93671, 2976806), (96026, 2903801), (118769, 2347754), (123566, 2256611), (156674, 1779749), (187342, 1488403), (193781, 1438946), (212629, 1311394), (237538, 1173877), (265069, 1051954), (322373, 864962), (387562, 719473), (425258, 655697), (432481, 644746), (525977, 530138)]