1878497440

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{977}}^1$

素因数の和:1250

約数の個数: 96

約数和(自身を含む): 4538240784

約数和(自身を除く): 2659743344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 197, 244, 305, 394, 488, 610, 788, 976, 977, 985, 1220, 1576, 1952, 1954, 1970, 2440, 3152, 3908, 3940, 4880, 4885, 6304, 7816, 7880, 9760, 9770, 12017, 15632, 15760, 19540, 24034, 31264, 31520, 39080, 48068, 59597, 60085, 78160, 96136, 119194, 120170, 156320, 192272, 192469, 238388, 240340, 297985, 384544, 384938, 476776, 480680, 595970, 769876, 953552, 961360, 962345, 1191940, 1539752, 1907104, 1922720, 1924690, 2383880, 3079504, 3849380, 4767760, 6159008, 7698760, 9535520, 11740609, 15397520, 23481218, 30795040, 46962436, 58703045, 93924872, 117406090, 187849744, 234812180, 375699488, 469624360, 939248720, 1878497440]

約数ペア:

[(1, 1878497440), (2, 939248720), (4, 469624360), (5, 375699488), (8, 234812180), (10, 187849744), (16, 117406090), (20, 93924872), (32, 58703045), (40, 46962436), (61, 30795040), (80, 23481218), (122, 15397520), (160, 11740609), (197, 9535520), (244, 7698760), (305, 6159008), (394, 4767760), (488, 3849380), (610, 3079504), (788, 2383880), (976, 1924690), (977, 1922720), (985, 1907104), (1220, 1539752), (1576, 1191940), (1952, 962345), (1954, 961360), (1970, 953552), (2440, 769876), (3152, 595970), (3908, 480680), (3940, 476776), (4880, 384938), (4885, 384544), (6304, 297985), (7816, 240340), (7880, 238388), (9760, 192469), (9770, 192272), (12017, 156320), (15632, 120170), (15760, 119194), (19540, 96136), (24034, 78160), (31264, 60085), (31520, 59597), (39080, 48068)]