19934961940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{353}}^1\times {\mathrm{1019}}^1$

素因数の和:1561

約数の個数: 96

約数和(自身を含む): 44768142720

約数和(自身を除く): 24833180780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 163, 170, 326, 340, 353, 652, 706, 815, 1019, 1412, 1630, 1765, 2038, 2771, 3260, 3530, 4076, 5095, 5542, 6001, 7060, 10190, 11084, 12002, 13855, 17323, 20380, 24004, 27710, 30005, 34646, 55420, 57539, 60010, 69292, 86615, 115078, 120020, 166097, 173230, 230156, 287695, 332194, 346460, 359707, 575390, 664388, 719414, 830485, 978163, 1150780, 1438828, 1660970, 1798535, 1956326, 2823649, 3321940, 3597070, 3912652, 4890815, 5647298, 6115019, 7194140, 9781630, 11294596, 12230038, 14118245, 19563260, 24460076, 28236490, 30575095, 56472980, 58632241, 61150190, 117264482, 122300380, 234528964, 293161205, 586322410, 996748097, 1172644820, 1993496194, 3986992388, 4983740485, 9967480970, 19934961940]

約数ペア:

[(1, 19934961940), (2, 9967480970), (4, 4983740485), (5, 3986992388), (10, 1993496194), (17, 1172644820), (20, 996748097), (34, 586322410), (68, 293161205), (85, 234528964), (163, 122300380), (170, 117264482), (326, 61150190), (340, 58632241), (353, 56472980), (652, 30575095), (706, 28236490), (815, 24460076), (1019, 19563260), (1412, 14118245), (1630, 12230038), (1765, 11294596), (2038, 9781630), (2771, 7194140), (3260, 6115019), (3530, 5647298), (4076, 4890815), (5095, 3912652), (5542, 3597070), (6001, 3321940), (7060, 2823649), (10190, 1956326), (11084, 1798535), (12002, 1660970), (13855, 1438828), (17323, 1150780), (20380, 978163), (24004, 830485), (27710, 719414), (30005, 664388), (34646, 575390), (55420, 359707), (57539, 346460), (60010, 332194), (69292, 287695), (86615, 230156), (115078, 173230), (120020, 166097)]