402367140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{319339}}^1$

素因数の和:319361

約数の個数: 72

約数和(自身を含む): 1394877120

約数和(自身を除く): 992509980

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 319339, 638678, 958017, 1277356, 1596695, 1916034, 2235373, 2874051, 3193390, 3832068, 4470746, 4790085, 5748102, 6386780, 6706119, 8941492, 9580170, 11176865, 11496204, 13412238, 14370255, 19160340, 20118357, 22353730, 26824476, 28740510, 33530595, 40236714, 44707460, 57481020, 67061190, 80473428, 100591785, 134122380, 201183570, 402367140]

約数ペア:

[(1, 402367140), (2, 201183570), (3, 134122380), (4, 100591785), (5, 80473428), (6, 67061190), (7, 57481020), (9, 44707460), (10, 40236714), (12, 33530595), (14, 28740510), (15, 26824476), (18, 22353730), (20, 20118357), (21, 19160340), (28, 14370255), (30, 13412238), (35, 11496204), (36, 11176865), (42, 9580170), (45, 8941492), (60, 6706119), (63, 6386780), (70, 5748102), (84, 4790085), (90, 4470746), (105, 3832068), (126, 3193390), (140, 2874051), (180, 2235373), (210, 1916034), (252, 1596695), (315, 1277356), (420, 958017), (630, 638678), (1260, 319339)]