220199386

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:251

約数の個数: 64

約数和(自身を含む): 388546560

約数和(自身を除く): 168347174

約数列:

[1, 2, 11, 22, 31, 61, 62, 67, 79, 122, 134, 158, 341, 671, 682, 737, 869, 1342, 1474, 1738, 1891, 2077, 2449, 3782, 4087, 4154, 4819, 4898, 5293, 8174, 9638, 10586, 20801, 22847, 26939, 41602, 44957, 45694, 53009, 53878, 58223, 89914, 106018, 116446, 126697, 149389, 164083, 253394, 298778, 322873, 328166, 645746, 1393667, 1643279, 1804913, 2787334, 3286558, 3551603, 3609826, 7103206, 10009063, 20018126, 110099693, 220199386]

約数ペア:

[(1, 220199386), (2, 110099693), (11, 20018126), (22, 10009063), (31, 7103206), (61, 3609826), (62, 3551603), (67, 3286558), (79, 2787334), (122, 1804913), (134, 1643279), (158, 1393667), (341, 645746), (671, 328166), (682, 322873), (737, 298778), (869, 253394), (1342, 164083), (1474, 149389), (1738, 126697), (1891, 116446), (2077, 106018), (2449, 89914), (3782, 58223), (4087, 53878), (4154, 53009), (4819, 45694), (4898, 44957), (5293, 41602), (8174, 26939), (9638, 22847), (10586, 20801)]