211538340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{90401}}^1$

素因数の和:90429

約数の個数: 72

約数和(自身を含む): 691032888

約数和(自身を除く): 479494548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 90401, 180802, 271203, 361604, 452005, 542406, 813609, 904010, 1084812, 1175213, 1356015, 1627218, 1808020, 2350426, 2712030, 3254436, 3525639, 4068045, 4700852, 5424060, 5876065, 7051278, 8136090, 10576917, 11752130, 14102556, 16272180, 17628195, 21153834, 23504260, 35256390, 42307668, 52884585, 70512780, 105769170, 211538340]

約数ペア:

[(1, 211538340), (2, 105769170), (3, 70512780), (4, 52884585), (5, 42307668), (6, 35256390), (9, 23504260), (10, 21153834), (12, 17628195), (13, 16272180), (15, 14102556), (18, 11752130), (20, 10576917), (26, 8136090), (30, 7051278), (36, 5876065), (39, 5424060), (45, 4700852), (52, 4068045), (60, 3525639), (65, 3254436), (78, 2712030), (90, 2350426), (117, 1808020), (130, 1627218), (156, 1356015), (180, 1175213), (195, 1084812), (234, 904010), (260, 813609), (390, 542406), (468, 452005), (585, 361604), (780, 271203), (1170, 180802), (2340, 90401)]