305218746

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{31}}^1\times {\mathrm{61}}^2$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 828023040

約数和(自身を除く): 522804294

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 42, 49, 54, 61, 62, 63, 93, 98, 122, 126, 147, 183, 186, 189, 217, 279, 294, 366, 378, 427, 434, 441, 549, 558, 651, 837, 854, 882, 1098, 1281, 1302, 1323, 1519, 1647, 1674, 1891, 1953, 2562, 2646, 2989, 3038, 3294, 3721, 3782, 3843, 3906, 4557, 5673, 5859, 5978, 7442, 7686, 8967, 9114, 11163, 11346, 11529, 11718, 13237, 13671, 17019, 17934, 22326, 23058, 26047, 26474, 26901, 27342, 33489, 34038, 39711, 41013, 51057, 52094, 53802, 66978, 78141, 79422, 80703, 82026, 92659, 100467, 102114, 115351, 119133, 156282, 161406, 182329, 185318, 200934, 230702, 234423, 238266, 277977, 346053, 357399, 364658, 468846, 546987, 555954, 692106, 703269, 714798, 807457, 833931, 1038159, 1093974, 1406538, 1614914, 1640961, 1667862, 2076318, 2422371, 2501793, 3114477, 3281922, 4844742, 4922883, 5003586, 5652199, 6228954, 7267113, 9845766, 11304398, 14534226, 16956597, 21801339, 33913194, 43602678, 50869791, 101739582, 152609373, 305218746]

約数ペア:

[(1, 305218746), (2, 152609373), (3, 101739582), (6, 50869791), (7, 43602678), (9, 33913194), (14, 21801339), (18, 16956597), (21, 14534226), (27, 11304398), (31, 9845766), (42, 7267113), (49, 6228954), (54, 5652199), (61, 5003586), (62, 4922883), (63, 4844742), (93, 3281922), (98, 3114477), (122, 2501793), (126, 2422371), (147, 2076318), (183, 1667862), (186, 1640961), (189, 1614914), (217, 1406538), (279, 1093974), (294, 1038159), (366, 833931), (378, 807457), (427, 714798), (434, 703269), (441, 692106), (549, 555954), (558, 546987), (651, 468846), (837, 364658), (854, 357399), (882, 346053), (1098, 277977), (1281, 238266), (1302, 234423), (1323, 230702), (1519, 200934), (1647, 185318), (1674, 182329), (1891, 161406), (1953, 156282), (2562, 119133), (2646, 115351), (2989, 102114), (3038, 100467), (3294, 92659), (3721, 82026), (3782, 80703), (3843, 79422), (3906, 78141), (4557, 66978), (5673, 53802), (5859, 52094), (5978, 51057), (7442, 41013), (7686, 39711), (8967, 34038), (9114, 33489), (11163, 27342), (11346, 26901), (11529, 26474), (11718, 26047), (13237, 23058), (13671, 22326), (17019, 17934)]