1898207960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{761}}^1\times {\mathrm{5669}}^1$

素因数の和:6452

約数の個数: 64

約数和(自身を含む): 4666183200

約数和(自身を除く): 2767975240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 761, 1522, 3044, 3805, 5669, 6088, 7610, 8371, 11338, 15220, 16742, 22676, 28345, 30440, 33484, 41855, 45352, 56690, 62359, 66968, 83710, 113380, 124718, 167420, 226760, 249436, 311795, 334840, 498872, 623590, 1247180, 2494360, 4314109, 8628218, 17256436, 21570545, 34512872, 43141090, 47455199, 86282180, 94910398, 172564360, 189820796, 237275995, 379641592, 474551990, 949103980, 1898207960]

約数ペア:

[(1, 1898207960), (2, 949103980), (4, 474551990), (5, 379641592), (8, 237275995), (10, 189820796), (11, 172564360), (20, 94910398), (22, 86282180), (40, 47455199), (44, 43141090), (55, 34512872), (88, 21570545), (110, 17256436), (220, 8628218), (440, 4314109), (761, 2494360), (1522, 1247180), (3044, 623590), (3805, 498872), (5669, 334840), (6088, 311795), (7610, 249436), (8371, 226760), (11338, 167420), (15220, 124718), (16742, 113380), (22676, 83710), (28345, 66968), (30440, 62359), (33484, 56690), (41855, 45352)]