221490828

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^3\times {\mathrm{23}}^1$

素因数の和:106

約数の個数: 192

約数和(自身を含む): 681139200

約数和(自身を除く): 459648372

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 23, 26, 27, 36, 38, 39, 46, 52, 54, 57, 69, 76, 78, 92, 108, 114, 117, 138, 156, 171, 207, 228, 234, 247, 276, 299, 342, 351, 361, 414, 437, 468, 494, 513, 598, 621, 684, 702, 722, 741, 828, 874, 897, 988, 1026, 1083, 1196, 1242, 1311, 1404, 1444, 1482, 1748, 1794, 2052, 2166, 2223, 2484, 2622, 2691, 2964, 3249, 3588, 3933, 4332, 4446, 4693, 5244, 5382, 5681, 6498, 6669, 6859, 7866, 8073, 8303, 8892, 9386, 9747, 10764, 11362, 11799, 12996, 13338, 13718, 14079, 15732, 16146, 16606, 17043, 18772, 19494, 20577, 22724, 23598, 24909, 26676, 27436, 28158, 32292, 33212, 34086, 38988, 41154, 42237, 47196, 49818, 51129, 56316, 61731, 68172, 74727, 82308, 84474, 89167, 99636, 102258, 107939, 123462, 126711, 149454, 153387, 157757, 168948, 178334, 185193, 204516, 215878, 224181, 246924, 253422, 267501, 298908, 306774, 315514, 323817, 356668, 370386, 431756, 448362, 473271, 506844, 535002, 613548, 631028, 647634, 740772, 802503, 896724, 946542, 971451, 1070004, 1295268, 1419813, 1605006, 1893084, 1942902, 2050841, 2407509, 2839626, 2914353, 3210012, 3885804, 4101682, 4259439, 4815018, 5679252, 5828706, 6152523, 8203364, 8518878, 9630036, 11657412, 12305046, 17037756, 18457569, 24610092, 36915138, 55372707, 73830276, 110745414, 221490828]

約数ペア:

[(1, 221490828), (2, 110745414), (3, 73830276), (4, 55372707), (6, 36915138), (9, 24610092), (12, 18457569), (13, 17037756), (18, 12305046), (19, 11657412), (23, 9630036), (26, 8518878), (27, 8203364), (36, 6152523), (38, 5828706), (39, 5679252), (46, 4815018), (52, 4259439), (54, 4101682), (57, 3885804), (69, 3210012), (76, 2914353), (78, 2839626), (92, 2407509), (108, 2050841), (114, 1942902), (117, 1893084), (138, 1605006), (156, 1419813), (171, 1295268), (207, 1070004), (228, 971451), (234, 946542), (247, 896724), (276, 802503), (299, 740772), (342, 647634), (351, 631028), (361, 613548), (414, 535002), (437, 506844), (468, 473271), (494, 448362), (513, 431756), (598, 370386), (621, 356668), (684, 323817), (702, 315514), (722, 306774), (741, 298908), (828, 267501), (874, 253422), (897, 246924), (988, 224181), (1026, 215878), (1083, 204516), (1196, 185193), (1242, 178334), (1311, 168948), (1404, 157757), (1444, 153387), (1482, 149454), (1748, 126711), (1794, 123462), (2052, 107939), (2166, 102258), (2223, 99636), (2484, 89167), (2622, 84474), (2691, 82308), (2964, 74727), (3249, 68172), (3588, 61731), (3933, 56316), (4332, 51129), (4446, 49818), (4693, 47196), (5244, 42237), (5382, 41154), (5681, 38988), (6498, 34086), (6669, 33212), (6859, 32292), (7866, 28158), (8073, 27436), (8303, 26676), (8892, 24909), (9386, 23598), (9747, 22724), (10764, 20577), (11362, 19494), (11799, 18772), (12996, 17043), (13338, 16606), (13718, 16146), (14079, 15732)]