208025740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:343

約数の個数: 96

約数和(自身を含む): 487710720

約数和(自身を除く): 279684980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 71, 118, 130, 142, 191, 236, 260, 284, 295, 355, 382, 590, 710, 764, 767, 923, 955, 1180, 1420, 1534, 1846, 1910, 2483, 3068, 3692, 3820, 3835, 4189, 4615, 4966, 7670, 8378, 9230, 9932, 11269, 12415, 13561, 15340, 16756, 18460, 20945, 22538, 24830, 27122, 41890, 45076, 49660, 54244, 54457, 56345, 67805, 83780, 108914, 112690, 135610, 146497, 176293, 217828, 225380, 271220, 272285, 292994, 352586, 544570, 585988, 705172, 732485, 800099, 881465, 1089140, 1464970, 1600198, 1762930, 2929940, 3200396, 3525860, 4000495, 8000990, 10401287, 16001980, 20802574, 41605148, 52006435, 104012870, 208025740]

約数ペア:

[(1, 208025740), (2, 104012870), (4, 52006435), (5, 41605148), (10, 20802574), (13, 16001980), (20, 10401287), (26, 8000990), (52, 4000495), (59, 3525860), (65, 3200396), (71, 2929940), (118, 1762930), (130, 1600198), (142, 1464970), (191, 1089140), (236, 881465), (260, 800099), (284, 732485), (295, 705172), (355, 585988), (382, 544570), (590, 352586), (710, 292994), (764, 272285), (767, 271220), (923, 225380), (955, 217828), (1180, 176293), (1420, 146497), (1534, 135610), (1846, 112690), (1910, 108914), (2483, 83780), (3068, 67805), (3692, 56345), (3820, 54457), (3835, 54244), (4189, 49660), (4615, 45076), (4966, 41890), (7670, 27122), (8378, 24830), (9230, 22538), (9932, 20945), (11269, 18460), (12415, 16756), (13561, 15340)]