4450940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:111

約数の個数: 96

約数和(自身を含む): 11430720

約数和(自身を除く): 6979780

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 26, 34, 38, 52, 53, 65, 68, 76, 85, 95, 106, 130, 170, 190, 212, 221, 247, 260, 265, 323, 340, 380, 442, 494, 530, 646, 689, 884, 901, 988, 1007, 1060, 1105, 1235, 1292, 1378, 1615, 1802, 2014, 2210, 2470, 2756, 3230, 3445, 3604, 4028, 4199, 4420, 4505, 4940, 5035, 6460, 6890, 8398, 9010, 10070, 11713, 13091, 13780, 16796, 17119, 18020, 20140, 20995, 23426, 26182, 34238, 41990, 46852, 52364, 58565, 65455, 68476, 83980, 85595, 117130, 130910, 171190, 222547, 234260, 261820, 342380, 445094, 890188, 1112735, 2225470, 4450940]

約数ペア:

[(1, 4450940), (2, 2225470), (4, 1112735), (5, 890188), (10, 445094), (13, 342380), (17, 261820), (19, 234260), (20, 222547), (26, 171190), (34, 130910), (38, 117130), (52, 85595), (53, 83980), (65, 68476), (68, 65455), (76, 58565), (85, 52364), (95, 46852), (106, 41990), (130, 34238), (170, 26182), (190, 23426), (212, 20995), (221, 20140), (247, 18020), (260, 17119), (265, 16796), (323, 13780), (340, 13091), (380, 11713), (442, 10070), (494, 9010), (530, 8398), (646, 6890), (689, 6460), (884, 5035), (901, 4940), (988, 4505), (1007, 4420), (1060, 4199), (1105, 4028), (1235, 3604), (1292, 3445), (1378, 3230), (1615, 2756), (1802, 2470), (2014, 2210)]