140648920

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{977}}^1$

素因数の和:1108

約数の個数: 64

約数和(自身を含む): 327434400

約数和(自身を除く): 186785480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 61, 118, 122, 236, 244, 295, 305, 472, 488, 590, 610, 977, 1180, 1220, 1954, 2360, 2440, 3599, 3908, 4885, 7198, 7816, 9770, 14396, 17995, 19540, 28792, 35990, 39080, 57643, 59597, 71980, 115286, 119194, 143960, 230572, 238388, 288215, 297985, 461144, 476776, 576430, 595970, 1152860, 1191940, 2305720, 2383880, 3516223, 7032446, 14064892, 17581115, 28129784, 35162230, 70324460, 140648920]

約数ペア:

[(1, 140648920), (2, 70324460), (4, 35162230), (5, 28129784), (8, 17581115), (10, 14064892), (20, 7032446), (40, 3516223), (59, 2383880), (61, 2305720), (118, 1191940), (122, 1152860), (236, 595970), (244, 576430), (295, 476776), (305, 461144), (472, 297985), (488, 288215), (590, 238388), (610, 230572), (977, 143960), (1180, 119194), (1220, 115286), (1954, 71980), (2360, 59597), (2440, 57643), (3599, 39080), (3908, 35990), (4885, 28792), (7198, 19540), (7816, 17995), (9770, 14396)]