421106790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1$

素因数の和:686

約数の個数: 128

約数和(自身を含む): 1143926784

約数和(自身を除く): 722819994

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 31, 39, 61, 62, 65, 78, 93, 122, 130, 155, 183, 186, 195, 305, 310, 366, 390, 403, 465, 571, 610, 793, 806, 915, 930, 1142, 1209, 1586, 1713, 1830, 1891, 2015, 2379, 2418, 2855, 3426, 3782, 3965, 4030, 4758, 5673, 5710, 6045, 7423, 7930, 8565, 9455, 11346, 11895, 12090, 14846, 17130, 17701, 18910, 22269, 23790, 24583, 28365, 34831, 35402, 37115, 44538, 49166, 53103, 56730, 69662, 73749, 74230, 88505, 104493, 106206, 111345, 122915, 147498, 174155, 177010, 208986, 222690, 230113, 245830, 265515, 348310, 368745, 452803, 460226, 522465, 531030, 690339, 737490, 905606, 1044930, 1079761, 1150565, 1358409, 1380678, 2159522, 2264015, 2301130, 2716818, 3239283, 3451695, 4528030, 5398805, 6478566, 6792045, 6903390, 10797610, 13584090, 14036893, 16196415, 28073786, 32392830, 42110679, 70184465, 84221358, 140368930, 210553395, 421106790]

約数ペア:

[(1, 421106790), (2, 210553395), (3, 140368930), (5, 84221358), (6, 70184465), (10, 42110679), (13, 32392830), (15, 28073786), (26, 16196415), (30, 14036893), (31, 13584090), (39, 10797610), (61, 6903390), (62, 6792045), (65, 6478566), (78, 5398805), (93, 4528030), (122, 3451695), (130, 3239283), (155, 2716818), (183, 2301130), (186, 2264015), (195, 2159522), (305, 1380678), (310, 1358409), (366, 1150565), (390, 1079761), (403, 1044930), (465, 905606), (571, 737490), (610, 690339), (793, 531030), (806, 522465), (915, 460226), (930, 452803), (1142, 368745), (1209, 348310), (1586, 265515), (1713, 245830), (1830, 230113), (1891, 222690), (2015, 208986), (2379, 177010), (2418, 174155), (2855, 147498), (3426, 122915), (3782, 111345), (3965, 106206), (4030, 104493), (4758, 88505), (5673, 74230), (5710, 73749), (6045, 69662), (7423, 56730), (7930, 53103), (8565, 49166), (9455, 44538), (11346, 37115), (11895, 35402), (12090, 34831), (14846, 28365), (17130, 24583), (17701, 23790), (18910, 22269)]