326378780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{461}}^1$

素因数の和:879

約数の個数: 96

約数和(自身を含む): 847566720

約数和(自身を除く): 521187940

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 389, 455, 461, 778, 910, 922, 1556, 1820, 1844, 1945, 2305, 2723, 3227, 3890, 4610, 5057, 5446, 5993, 6454, 7780, 9220, 10114, 10892, 11986, 12908, 13615, 16135, 20228, 23972, 25285, 27230, 29965, 32270, 35399, 41951, 50570, 54460, 59930, 64540, 70798, 83902, 101140, 119860, 141596, 167804, 176995, 179329, 209755, 353990, 358658, 419510, 707980, 717316, 839020, 896645, 1255303, 1793290, 2331277, 2510606, 3586580, 4662554, 5021212, 6276515, 9325108, 11656385, 12553030, 16318939, 23312770, 25106060, 32637878, 46625540, 65275756, 81594695, 163189390, 326378780]

約数ペア:

[(1, 326378780), (2, 163189390), (4, 81594695), (5, 65275756), (7, 46625540), (10, 32637878), (13, 25106060), (14, 23312770), (20, 16318939), (26, 12553030), (28, 11656385), (35, 9325108), (52, 6276515), (65, 5021212), (70, 4662554), (91, 3586580), (130, 2510606), (140, 2331277), (182, 1793290), (260, 1255303), (364, 896645), (389, 839020), (455, 717316), (461, 707980), (778, 419510), (910, 358658), (922, 353990), (1556, 209755), (1820, 179329), (1844, 176995), (1945, 167804), (2305, 141596), (2723, 119860), (3227, 101140), (3890, 83902), (4610, 70798), (5057, 64540), (5446, 59930), (5993, 54460), (6454, 50570), (7780, 41951), (9220, 35399), (10114, 32270), (10892, 29965), (11986, 27230), (12908, 25285), (13615, 23972), (16135, 20228)]